Subaru WRX STI Clutch Kit - Competition Clutch - Stage 3 - Segmented Ceramic - `15-`21
$720.00
$864.00
Save: $144.00
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Subaru WRX STi Clutch Kit - Competition Clutch - Stage 4 Sprung - Strip Series 1620 - `15-`21
$700.00
$840.00
Save: $140.00
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Subaru WRX STi Clutch Kit - Competition Clutch - Stock Replacement - `15-`21
$550.00
$660.00
Save: $110.00
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Subaru WRX STi Clutch Kit - Exedy - Hyper Twin Cerametallic Rigid Disc - `04-`14
$3,222.33
$3,791.07
Save: $568.74
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Subaru WRX STI Clutch Kit - Exedy - Hyper Twin Organic - `04-`17
$2,731.75
$3,213.90
Save: $482.15
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Subaru WRX STI Clutch Kit - Exedy - OE - `15-`18
$340.45
$400.54
Save: $60.09
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Subaru WRX STi Clutch Kit - XCLUTCH - 7.25in Triple Solid Ceramic - `15-`21
$2,295.82
$2,550.91
Save: $255.09
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Subaru WRX STI Clutch Kit - XCLUTCH - 7.25in Triple Solid Ceramic - `15-`21
$2,456.35
$2,729.28
Save: $272.93
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Subaru WRX STi Clutch Kit - XCLUTCH - 7.25in Twin Solid Ceramic - `15-`21
$2,329.46
$2,588.29
Save: $258.83
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Subaru WRX STi Clutch Kit - XCLUTCH - 7.25in Twin Sprung Ceramic - `15-`21
$2,349.80
$2,610.89
Save: $261.09
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Subaru WRX STi Clutch Kit - XCLUTCH - 8in Twin Solid Ceramic - `15-`21
$1,931.13
$2,145.70
Save: $214.57
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Subaru WRX STi Clutch Kit - XCLUTCH - 8in Twin Sprung Ceramic - `15-`21
$2,386.99
$2,652.21
Save: $265.22
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Subaru WRX STI Clutch Kit - XCLUTCH - 9in Twin Solid Ceramic - `15-`21
$1,738.76
$1,931.96
Save: $193.20
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Subaru WRX STI Clutch Kit - XCLUTCH - 9in Twin Solid Organic - `15-`21
$1,530.11
$1,700.12
Save: $170.01
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Subaru WRX STi Clutch Kit - XCLUTCH - 9in Twin Sprung Ceramic - `15-`21
$2,338.13
$2,597.92
Save: $259.79
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Subaru WRX STi Clutch Kit - XCLUTCH - 9in Twin Sprung Organic - `15-`21
$2,233.98
$2,482.20
Save: $248.22
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Subaru WRX STi Clutch Kit - XCLUTCH - Stage 1 Extra HD Sprung Organic - `15-`21
$712.07
$791.19
Save: $79.12
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Subaru WRX STI Clutch Kit - XCLUTCH - Stage 1 Sprung Organic - `15-`21
$656.87
$729.86
Save: $72.99
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Subaru WRX STi Clutch Kit - XCLUTCH - Stage 1 Steel Backed Organic - `15-`21
$803.81
$893.12
Save: $89.31
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Subaru WRX STi Clutch Kit - XCLUTCH - Stage 2 Cushioned Ceramic - `15-`21
$745.19
$827.99
Save: $82.80
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Subaru WRX STI Clutch Kit - XCLUTCH - Stage 2 Sprung Ceramic - `15-`21
$706.54
$785.05
Save: $78.51
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Subaru WRX STI Clutch Kit - XCLUTCH - Stage 2R Extra HD Sprung Ceramic - `15-`21
$927.34
$1,030.38
Save: $103.04
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Subaru WRX STi Clutch Kit - XCLUTCH - Twin Sprung Ceramic - `15-`21
$1,915.40
$2,128.22
Save: $212.82
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Subaru WRX STi Clutch Kit - XCLUTCH - Twin Sprung Organic - `15-`21
$1,683.57
$1,870.63
Save: $187.06
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Subaru WRX STI Clutch Line - Goodridge - G-STOP - `06-`07
$25.39
$30.47
Save: $5.08
Subaru WRX STI Clutch Line - Goodridge - G-STOP Clutch Line Kit - `08-`18
$19.19
$23.03
Save: $3.84
Subaru WRX STI Clutch Lines - Goodridge - Stainless Steel - Clear - `08-`12
$19.19
$23.03
Save: $3.84
Subaru WRX STI Clutch Lines - Perrin Performance - Clutch Delay Valve Delete - Black - `05-`21
$37.60
$47.00
Save: $9.40
Subaru WRX STI Clutch Lines - Perrin Performance - Delay Valve Delete - Red - `05-`21
$37.60
$47.00
Save: $9.40
Subaru WRX STI Connecting Rod Set - Manley Performance - Turbo Tuff I Beam - `02-`11
$1,319.86
$1,389.33
Save: $69.47
Subaru WRX STI Coolant Expansion Tank - Moroso - Direct Bolt-In Replacement - `02-`07
$239.99
$241.99
Save: $2.00
Subaru WRX STI Coolant Expansion Tank - Torque Solution - Black - `04-`22
$244.99
$289.99
Save: $45.00
Subaru WRX STI Coolant Expansion Tank - Torque Solution - Pedestal - Black - `04-`22
$69.99
$79.99
Save: $10.00
Subaru WRX STI Coolant Expansion Tank - Torque Solution - Silver - `04-`22
$244.99
$289.99
Save: $45.00
Subaru WRX STI Crank Pulley - Perrin Performance - Lightened - Black - `04-`21
$126.40
$158.00
Save: $31.60
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Subaru WRX STI Crank Pulley - Perrin Performance - Lightened - Blue - `04-`21
$126.40
$158.00
Save: $31.60
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Subaru WRX STI Crank Pulley - Perrin Performance - Lightened - Blue - `04-`21
$126.40
$158.00
Save: $31.60
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Subaru WRX STI Crank Pulley - Perrin Performance - Lightened - Red - `04-`21
$126.40
$158.00
Save: $31.60
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Subaru WRX STI Crank Pulley - Perrin Performance - Lightweight Alternator Pulley - Blue - `04-`06
$48.80
$61.00
Save: $12.20
Subaru WRX STI Diff Brace - Torque Solution - `04-`07
$129.99
$154.99
Save: $25.00
Subaru WRX STI Diff Bushings - Torque Solution - Urethane Differential Mount Inserts - `15-`27
$84.99
$99.99
Save: $15.00
Subaru WRX STI Differential Lockdown System - Rear - Torque Solution - Torque Solution - `02-`07
$36.35
$43.62
Save: $7.27
Subaru WRX STi Driveshaft - Driveshaft Shop - 1-Piece Aluminum - `04-`07
$908.71
$1,090.45
Save: $181.74
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Subaru WRX STi Driveshaft - Driveshaft Shop - 1-Piece Carbon Fiber - 2015
$1,299.98
$1,559.98
Save: $260.00
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Subaru WRX STI Driveshaft - Driveshaft Shop - Carbon Fiber - `04-`07
$1,299.98
$1,559.98
Save: $260.00
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Subaru WRX STI Driveshaft Lockdown Kit - Perrin Performance - `08-`21
$121.60
$152.00
Save: $30.40
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Subaru WRX STI Drop-In Air Filter - Perrin Performance - Foam - Black - `08-`18
$57.60
$72.00
Save: $14.40
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Subaru WRX STI Eccentric Lockout Kit - SPL Parts - `15-`27
$58.50
$65.00
Save: $6.50
Subaru WRX STI Engine / Transmission Mount - Torque Solution - TQS Mount Combo Kits - `02-`11
$464.99
$554.99
Save: $90.00
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Subaru WRX STI Engine Exhaust Valve - Manley Performance - Extreme Duty - 2004
$68.54
$85.68
Save: $17.14
Subaru WRX STI Engine Exhaust Valve - Manley Performance - Extreme Duty - 2004
$548.34
$685.43
Save: $137.09
Subaru WRX STI Engine Exhaust Valve - Manley Performance - Extreme Duty 32mm Stainless - 2004
$548.34
$685.43
Save: $137.09
Subaru WRX STi Engine Exhaust Valve - Manley Performance - Extreme Duty Valve - 2004
$68.54
$85.68
Save: $17.14
Subaru WRX STI Engine Intake Valve - Manley Performance - Race Flo - 2004
$26.39
$32.99
Save: $6.60
Subaru WRX STI Engine Mount - Turbo XS - Pitch Stop Mount - Black - `02-`14
$109.99
$129.99
Save: $20.00
Subaru WRX STI Engine Mount Combo Kit - Torque Solution - TQS Mount Combo - `02-`14
$554.99
$664.99
Save: $110.00
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pink - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop - Blue - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop - Silver - `02-`26
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Black - `02-`26
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Black - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Blue - `02-`26
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Neon Yellow - `02-`26
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Neon Yellow - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Red - `02-`26
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Red - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mount Kit - Perrin Performance - Pitch Stop Mount - Silver - `93-`25
$93.60
$117.00
Save: $23.40
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Subaru WRX STI Engine Mounts - Torque Solution - Solid Billet - `04-`17
$234.99
$279.99
Save: $45.00
Subaru WRX STI Engine Mounts - Torque Solution - Solid Billet - `04-`17
$149.99
$174.99
Save: $25.00
Subaru WRX STI Engine Mounts - Torque Solution - Solid Billet Aluminum - `04-`17
$284.99
$339.99
Save: $55.00
Subaru WRX STI Engine Mounts - Torque Solution - Torque Solution - `02-`16
$229.99
$274.99
Save: $45.00
Subaru WRX STI Engine Mounts - Torque Solution - Urethane Kit - `04-`18
$59.99
$69.99
Save: $10.00
Subaru WRX STI Engine Mounts - Torque Solution - w/ Mount Plates - `06-`16
$309.99
$369.99
Save: $60.00
Subaru WRX STi Engine Piston - Manley Performance - Forged, 2618 Alloy, 8.5:1 Dish, 99.55mm +0.05mm Bore - 2004
$185.30
$201.41
Save: $16.11
Subaru WRX STI Exhaust Cam Sprocket Tool - Torque Solution - Dual AVCS - `08-`21
$39.89
$47.87
Save: $7.98
Subaru WRX STi Exhaust Hanger - Kartboy - Long - 15mm - Black - `93-`07
$12.00
$14.40
Save: $2.40
Subaru WRX STI Exhaust Valve - Manley Performance - Race Master - 2004
$26.39
$32.99
Save: $6.60
Subaru WRX STI Expansion Tank - Moroso - Intercooler Tank - `04-`19
$219.99
$220.99
Save: $1.00
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Subaru WRX STI Expansion Tank - Moroso - MOR - `08-`19
$224.99
$225.99
Save: $1.00
Subaru WRX STI Flywheel - Competition Clutch - 15lb Steel - `04-`11
$395.00
$474.00
Save: $79.00
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Subaru WRX STI Flywheel - XCLUTCH - Chromoly - `04-`22
$431.17
$479.08
Save: $47.91
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Subaru WRX STi Flywheel - XCLUTCH - Lightweight Chromoly - `13-`21
$467.32
$519.24
Save: $51.92
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Subaru WRX STI Front Mount Intercooler - Turbo XS - `08-`14
$1,299.99
$1,554.99
Save: $255.00
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Subaru WRX STI Fuel Injector Set - Injector Dynamics - 1050cc Injector Sets -4 Cyl - `04-`06
$820.05
$984.06
Save: $164.01
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Subaru WRX STI Fuel Injector Set - Injector Dynamics - ID1300 1300cc Top Feed - `04-`06
$1,258.95
$1,510.74
Save: $251.79
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Subaru WRX STI Fuel Pressure Gauge - Radium Engineering - 8AN ORB Adapter - `08-`17
$75.00
$78.95
Save: $3.95
Subaru WRX STi Fuel Pressure Regulator - Radium Engineering - RA-Series - Black - `08-`21
$256.45
$269.95
Save: $13.50
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Subaru WRX STI Fuel Pump Hanger - Radium Engineering - Compatible with WALBRO GSS342/AEM 50-1200 - `93-`07
$598.45
$629.95
Save: $31.50
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Subaru WRX STI Fuel Rail - Aeromotive - High Flow, Billet - Red - `07-`14
$270.28
$324.34
Save: $54.06
Subaru WRX STI Fuel Rail Adapters - Torque Solution - Top Feed - `96-`17
$48.76
$58.51
Save: $9.75
Subaru WRX STI Fuel Rail Kit - Aeromotive - Billet Adjustable - `07-`14
$1,350.53
$1,620.64
Save: $270.11
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Subaru WRX STI Fuel Rail Kit - Aeromotive - High Flow, CNC-machined, Billet - `04-`06
$1,299.11
$1,558.93
Save: $259.82
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Subaru WRX STI Fuel Rail Upgrade Kit - Radium Engineering - Top Feed - `02-`14
$199.45
$209.95
Save: $10.50
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Subaru WRX STI Fuel Rails - Aeromotive - Top Feed - Black - `07-`20
$270.28
$324.34
Save: $54.06
Subaru WRX STI Fuel Rails - Torque Solution - `08-`21
$129.99
$154.99
Save: $25.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - `08-`21
$369.99
$439.99
Save: $70.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - `08-`21
$459.99
$549.99
Save: $90.00
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Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - Black - `07-`18
$174.99
$204.99
Save: $30.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - Gold - `07-`18
$174.99
$204.99
Save: $30.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - Purple - `07-`18
$174.99
$204.99
Save: $30.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - Red - `07-`18
$174.99
$204.99
Save: $30.00
Subaru WRX STI Fuel Rails - Torque Solution - Top Feed - Silver - `07-`18
$174.99
$204.99
Save: $30.00
Subaru WRX STI Fuel Rails - Torque Solution - TQS Top Feed - `07-`18
$199.99
$234.99
Save: $35.00
Subaru WRX STI Fuel Upgrade Kit - HKS - 650 EJ20 - `15-`27
$1,130.00
$1,356.00
Save: $226.00
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Subaru WRX STI Hardware Kit - Torque Solution - HD Cam Bolt Kit for Dual AVCS - `08-`20
$51.42
$59.99
Save: $8.57
Subaru WRX STI Hardware Kits - Torque Solution - VF Turbo WG Bracket - `04-`18
$39.01
$46.81
Save: $7.80
Subaru WRX STI In-Tank Fuel Pump - Aeromotive - Dual 340lph Drop-In Stealth System - `08-`20
$925.03
$1,110.04
Save: $185.01
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Subaru WRX STI In-Tank Fuel Pump - Aeromotive - Single 340lph Drop-In Stealth System - `08-`20
$758.52
$910.22
Save: $151.70
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Subaru WRX STI Injection Plate - Snow Performance - Throttle Body Spacer - `04-`14
$119.78
$167.70
Save: $47.92
Subaru WRX STi Injector Sets - Injector Dynamics - 2600-XDS - `04-`06
$1,813.35
$2,176.02
Save: $362.67
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Subaru WRX STI Inlet Hose - Perrin Performance - Turbo - Red - `04-`21
$266.40
$333.00
Save: $66.60
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Subaru WRX STI Intake Manifold Gasket Set - Fel-Pro - `13-`20
$38.26
$45.91
Save: $7.65
Subaru WRX STI Intake Manifold Spacer - Torque Solution - `04-`21
$139.99
$164.99
Save: $25.00
Subaru WRX STI Intercooler Boost Tubes - Front - Perrin Performance - Black - `02-`07
$884.80
$1,106.00
Save: $221.20
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Subaru WRX STI Intercooler Boost Tubes - Front - Perrin Performance - Black - `15-`21
$1,128.80
$1,411.00
Save: $282.20
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Subaru WRX STI Intercooler Boost Tubes - Front - Perrin Performance - Red - `08-`14
$884.80
$1,106.00
Save: $221.20
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Subaru WRX STI Intercooler Boost Tubes - Front - Perrin Performance - Red - `15-`21
$1,128.80
$1,411.00
Save: $282.20
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Subaru WRX STI Intercooler Core & Mounting Beam - Front - Perrin Performance - Black - `02-`07
$888.80
$1,111.00
Save: $222.20
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Subaru WRX STI Intercooler Core + Mounting Beam - Front - Perrin Performance - Black - `15-`21
$1,128.80
$1,411.00
Save: $282.20
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Subaru WRX STI Intercooler Core + Mounting Beam - Front - Perrin Performance - Silver - `08-`14
$964.00
$1,205.00
Save: $241.00
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Subaru WRX STI Intercooler Coupler Kit - Perrin Performance - Black - `04-`21
$35.20
$44.00
Save: $8.80
Subaru WRX STI Intercooler Coupler Kit - Perrin Performance - Blue - `04-`21
$35.20
$44.00
Save: $8.80
Subaru WRX STI Intercooler Coupler Kit - Perrin Performance - Red - `04-`21
$35.20
$44.00
Save: $8.80
Subaru WRX STI Intercooler Kit - Front - Turbo XS - FMIC - Wrinkle Black - `15-`17
$1,439.99
$1,724.99
Save: $285.00
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Subaru WRX STI Intercooler Kit - Front - Turbo XS - Turbo XS - Wrinkle Red - `15-`17
$1,439.99
$1,724.99
Save: $285.00
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Subaru WRX STi Intercooler Kit - Wagner Tuning - Competition - `07-`13
$630.00
$756.00
Save: $126.00
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Subaru WRX STi Lockdown Bolts - Rear - Kartboy - `04-`07
$35.00
$42.00
Save: $7.00
Subaru WRX STI Map Sensor Adapter - Torque Solution - `04-`18
$44.33
$53.20
Save: $8.87
Subaru WRX STI Map Sensor Harness Adapter - Torque Solution - PNP - `04-`21
$31.03
$37.24
Save: $6.21
Subaru WRX STI Motor Mount Kit - Perrin Performance - `04-`21
$295.20
$369.00
Save: $73.80
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Subaru WRX STI Mount Combo Kit - Torque Solution - `02-`14
$359.99
$429.99
Save: $70.00
Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator - `04-`07
$444.99
$447.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator - Black - `04-`07
$454.99
$457.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator - Black - `08-`14
$454.99
$457.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator Catch Can - Billet Aluminum - `08-`14
$444.99
$447.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator, Billet Aluminum - `08-`14
$494.99
$495.99
Save: $1.00
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Subaru WRX STI Oil Catch Can - Moroso - Air/Oil Separator, Small Body, Billet Aluminum - `04-`07
$454.99
$457.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Billet Alum - Black - `08-`14
$454.99
$457.99
Save: $3.00
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Subaru WRX STI Oil Catch Can - Moroso - Billet Aluminum - `08-`14
$444.99
$449.99
Save: $5.00
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Subaru WRX STI Oil Catch Can - Moroso - Small Body - Billet Aluminum - Black - `04-`07
$464.99
$466.99
Save: $2.00
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Subaru WRX STI Oil Cooler Kit - Perrin Performance - `04-`21
$841.60
$1,052.00
Save: $210.40
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Subaru WRX STI Oil Cooler Kit - Perrin Performance - Tuner Kit (No lines/Thermostat Housing) - `04-`21
$471.20
$589.00
Save: $117.80
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Subaru WRX STI Panel Air Filter - Spectre - High Performance Replacement - `16-`18
$41.99
$50.39
Save: $8.40
Subaru WRX STI Performance Air Intake - HKS - Racing Suction - 2015
$1,408.00
$1,689.60
Save: $281.60
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Subaru WRX STI Performance Air Intake - HKS - Racing Suction - 2015
$968.00
$1,161.60
Save: $193.60
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Subaru WRX STI Performance Air Intake - HKS - Super Hybrid - `08-`11
$49.50
$59.40
Save: $9.90
Subaru WRX STI Performance Air Intake - Perrin Performance - AFTA-MAF Intake Tube - Red - `02-`07
$101.60
$127.00
Save: $25.40
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Subaru WRX STI Performance Air Intake - Perrin Performance - AFTA-MAF Intake Tube Air-Box to Inlet Hose - Black - `02-`07
$101.60
$127.00
Save: $25.40
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Subaru WRX STI Performance Air Intake - Perrin Performance - AFTA-MAF Intake Tube Air-Box to Inlet Hose - Red - `08-`21
$108.80
$136.00
Save: $27.20
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Subaru WRX STI Performance Air Intake - Perrin Performance - Air-Box to Inlet Hose - Black - `08-`21
$108.80
$136.00
Save: $27.20
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Subaru WRX STI Performance Air Intake - Perrin Performance - Cold Air - Hyper Pink - `08-`15
$344.80
$431.00
Save: $86.20
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold Air Intake - Black - `18-`21
$272.00
$340.00
Save: $68.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold Air Intake - Neon Yellow - `16-`17
$344.80
$431.00
Save: $86.20
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air - Black - `08-`15
$328.00
$410.00
Save: $82.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air - Hyper Pink - `16-`17
$344.80
$431.00
Save: $86.20
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air - Red - `08-`15
$328.00
$410.00
Save: $82.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air - Red - `16-`17
$328.00
$410.00
Save: $82.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air Intake - Black - `16-`17
$328.00
$410.00
Save: $82.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Cold-Air Intake - Neon Yellow - `08-`15
$344.80
$431.00
Save: $86.20
Subaru WRX STI Performance Air Intake - Perrin Performance - Drop In Air Filter - Black - `02-`07
$53.60
$67.00
Save: $13.40
Subaru WRX STI Performance Air Intake - Perrin Performance - Drop-In Panel Filter - Black - `19-`21
$60.80
$76.00
Save: $15.20
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - PA Cold Air Intake - Neon Yellow - `18-`21
$286.40
$358.00
Save: $71.60
Subaru WRX STI Performance Air Intake - Perrin Performance - Red - `18-`21
$272.00
$340.00
Save: $68.00
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Short RAM - Red - `02-`07
$263.20
$329.00
Save: $65.80
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Perrin Performance - Turbo Inlet Hose - Black - `04-`21
$266.40
$333.00
Save: $66.60
Free Continental US Shipping!
Subaru WRX STI Performance Air Intake - Revel - GT Dry Carbon Air Intake Cover - `15-`18
$242.25
$255.00
Save: $12.75
Subaru WRX STI Performance Air Intake - Torque Solution - Post Maf Silicone Intake Hose - `02-`07
$51.86
$59.99
Save: $8.13
Subaru WRX STI Performance Air Intake - Turbo XS - Cold Air Intake - `08-`14
$219.99
$259.99
Save: $40.00
Subaru WRX STI Performance Air Intake - Turbo XS - Dry Element Drop In - `08-`21
$53.89
$59.99
Save: $6.10
Subaru WRX STI Performance Exhaust - BLOX Racing - BX Muffler Delete - Black - `15-`21
$314.99
$374.99
Save: $60.00
Subaru WRX STI Performance Exhaust - BLOX Racing - MLS Exhaust Gasket Set - 6 Layers - `04-`19
$57.82
$64.99
Save: $7.17
Subaru WRX STI Performance Exhaust - Dual Split Rear - MBRP - Cat Back, Race Version, T304 Stainless Steel, 3.5in Carbon Fiber Tips - `15-`19
$1,114.99
$1,377.34
Save: $262.35
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Dual Split Rear Exit - MBRP - 304 Street Version - `15-`19
$1,214.99
$1,500.87
Save: $285.88
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Subaru WRX STI Performance Exhaust - Dual Split Rear Exit - MBRP - Armor Pro Axle Back 2.5in T304 - `15-`19
$419.99
$518.81
Save: $98.82
Subaru WRX STI Performance Exhaust - Dual Split Rear Exit - MBRP - Armor Pro Cat Back, T304 Stainless Steel, Race Version - `15-`19
$989.99
$1,222.93
Save: $232.94
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Dual Split Rear Exit - MBRP - Cat Back, T304 Stainless Steel, Street Version - `15-`19
$1,114.99
$1,377.34
Save: $262.35
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Subaru WRX STI Performance Exhaust - GReddy - Revolution RS Cat Back - `15-`27
$570.00
$600.00
Save: $30.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - HKS - Hi-Power - `15-`27
$1,900.00
$2,280.00
Save: $380.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - HKS - Hi-Power MUFFLER Single - 2015
$1,499.00
$1,798.80
Save: $299.80
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - HKS - Legamax Premium - `15-`27
$1,990.00
$2,388.00
Save: $398.00
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Subaru WRX STI Performance Exhaust - HKS - Racing Catback - `11-`14
$880.00
$1,056.00
Save: $176.00
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Subaru WRX STi Performance Exhaust - HKS - Super Turbo Catback - `14-`27
$2,350.00
$2,820.00
Save: $470.00
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Subaru WRX STI Performance Exhaust - Invidia - Cat-back Titanium Tip Bead Blasted - Titanium - `15-`27
$875.83
$1,251.18
Save: $375.35
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Subaru WRX STI Performance Exhaust - Invidia - Gemini/R400 Cat-Back - `15-`27
$1,562.90
$2,232.72
Save: $669.82
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Subaru WRX STI Performance Exhaust - Invidia - Gemini/R400 Single Layer Quad Black Tip Cat-Back - `15-`27
$1,684.62
$2,406.60
Save: $721.98
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Subaru WRX STI Performance Exhaust - Invidia - Gemini/R400 Single Layer Quad Titanium Tip Cat-Back - `15-`27
$1,663.45
$2,376.36
Save: $712.91
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Subaru WRX STI Performance Exhaust - Invidia - N1 - Stainless Tips, Twin Outlet, Single Layer Tip, Cat Back - `15-`27
$1,142.19
$1,631.70
Save: $489.51
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Invidia - N1 - Titanium Tips - `15-`27
$1,000.19
$1,428.84
Save: $428.65
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Subaru WRX STI Performance Exhaust - Invidia - N1 Stainless Steel Tip Cat-back - `15-`27
$1,000.19
$1,428.84
Save: $428.65
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Subaru WRX STI Performance Exhaust - Invidia - N1 Twin Outlet Single Layer Tip Cat Back - Titanium - `15-`27
$1,177.47
$1,682.10
Save: $504.63
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Subaru WRX STI Performance Exhaust - Invidia - Q300 - Stainless Tips - `15-`27
$1,562.90
$2,232.72
Save: $669.82
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Invidia - Q300 - Titanium Tips, Catback - `15-`27
$1,663.45
$2,376.36
Save: $712.91
Free Continental US Shipping!
Subaru WRX STi Performance Exhaust - Kartboy - 15mm Exhaust Hanger - Black - `93-`07
$11.00
$13.20
Save: $2.20
Subaru WRX STi Performance Exhaust - Kartboy - Exhaust Hanger - 12mm - Black - `08-`21
$11.00
$13.20
Save: $2.20
Subaru WRX STi Performance Exhaust - Kartboy - Long Exhaust Hanger - 12mm - Black - `08-`21
$12.00
$14.40
Save: $2.40
Subaru WRX STI Performance Exhaust - Rear - BLOX Racing - Muffler Delete - `15-`21
$284.99
$339.99
Save: $55.00
Subaru WRX STI Performance Exhaust - Rear - MBRP - Axle Back, Dual Split Rear Exit, Carbon Fiber Tips, T304 Stainless Steel - `15-`19
$534.99
$660.87
Save: $125.88
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Subaru WRX STI Performance Exhaust - Rear - Remark - Axle Back Exhaust w/Stainless Steel Dual Wall Tip - `15-`21
$935.00
$1,122.00
Save: $187.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Rear - Remark - Axle Back w/Stainless Steel Double Wall Tip - `15-`27
$655.00
$786.00
Save: $131.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Rear - Remark - Axle Back, Boso Edition, Titanium Single Wall Tip - `15-`27
$795.00
$954.00
Save: $159.00
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Subaru WRX STI Performance Exhaust - Rear - Remark - Axle Back, Dual Wall Tip - Burnt Stainless Steel - `15-`21
$995.00
$1,194.00
Save: $199.00
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Subaru WRX STi Performance Exhaust - Rear - Remark - Axle Back, Stainless Steel Single Wall Tip 4in - `15-`27
$635.00
$762.00
Save: $127.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Axle Back w/Titanium Stainless Double Wall Tip - `15-`27
$715.00
$858.00
Save: $143.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Axle Back, Boso Edition, Single Wall Tip - Burnt Blue - `15-`27
$565.00
$678.00
Save: $113.00
Free Continental US Shipping!
Subaru WRX STi Performance Exhaust - Remark - Axle Back, Single Wall Tip 4in - Cerakote Black - `15-`22
$795.00
$954.00
Save: $159.00
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Subaru WRX STi Performance Exhaust - Remark - Axle Back, Stainless Steel Double Wall Tip 4in - `15-`27
$695.00
$834.00
Save: $139.00
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Subaru WRX STi Performance Exhaust - Remark - Cat Back, Non-Resonated, SS Quad Tips - `08-`14
$1,195.00
$1,434.00
Save: $239.00
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Subaru WRX STI Performance Exhaust - Remark - Cat Back, Quad, Non-Resonated - Titanium Stainless - `15-`27
$1,495.00
$1,794.00
Save: $299.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat Back, R1-Spec Single-Exit, Titanium Muffler - `15-`27
$1,095.00
$1,314.00
Save: $219.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat Back, Single Non-Resonated - `15-`27
$1,395.00
$1,674.00
Save: $279.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat Back, Single Resonated - `15-`27
$1,495.00
$1,794.00
Save: $299.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat Back, Sports Touring Spec, Burnt Quad Tips (Non-Resonated) - `08-`14
$1,295.00
$1,554.00
Save: $259.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat-Back Exhaust - Burnt Quad Tips (Resonated) - `08-`14
$1,395.00
$1,674.00
Save: $279.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat-Back, R1 Spec, Single Exit - `08-`14
$995.00
$1,194.00
Save: $199.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Cat-Back, SS Quad Tips, Resonated - `08-`14
$1,295.00
$1,554.00
Save: $259.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Remark - Resonated Mid Pipe - `15-`27
$855.00
$1,026.00
Save: $171.00
Free Continental US Shipping!
Subaru WRX STi Performance Exhaust - Revel - Ultra Ti Titanium Single Exit Catback - `11-`14
$1,161.00
$1,290.00
Save: $129.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Exit - Remark - R1 Spec Cat Back - `08-`14
$1,095.00
$1,314.00
Save: $219.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Exit - Remark - R1 Spec Cat-Back Exhaust Full Titanium (Resonated) - `15-`21
$1,395.00
$1,674.00
Save: $279.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Exit - Remark - R1 Spec Cat-Back, Full Titanium - `15-`21
$1,295.00
$1,554.00
Save: $259.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Rear Exit - MBRP - Armor Pro Cat Back - Carbon Fiber - `15-`21
$824.99
$1,019.11
Save: $194.12
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Rear Exit - MBRP - Cat Back, Armor Pro, T304 Stainless Steel with Burnt End Tips - `15-`21
$779.99
$963.52
Save: $183.53
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Single Rear Exit - MBRP - Cat Back, T304 Stainless Steel - `15-`21
$759.99
$938.81
Save: $178.82
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Torque Solution - Exhaust Mount Kit - `08-`11
$49.64
$59.57
Save: $9.93
Subaru WRX STI Performance Exhaust - Turbo XS - Catted Downpipe - `08-`14
$614.99
$734.99
Save: $120.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Turbo XS - High Flow Catalytic Converter Pipe - `02-`07
$254.99
$304.99
Save: $50.00
Subaru WRX STI Performance Exhaust - Turbo XS - High Flow Catalytic Converter Pipe - `08-`14
$239.99
$284.99
Save: $45.00
Subaru WRX STI Performance Exhaust - Turbo XS - High Flow Catted Downpipe - `02-`07
$614.99
$734.99
Save: $120.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Turbo XS - Stealthback - `02-`07
$774.99
$924.99
Save: $150.00
Free Continental US Shipping!
Subaru WRX STI Performance Exhaust - Turbo XS - Version 2 Midpipe - `02-`07
$244.99
$289.99
Save: $45.00
Subaru WRX STI Pitch Stop Brace - Torque Solution - `15-`27
$254.99
$304.99
Save: $50.00
Subaru WRX STI Pitch Stop Mount - Turbo XS - Purple - `02-`14
$109.99
$129.99
Save: $20.00
Subaru WRX STI Pulley Cover - Perrin Performance - Black - `04-`21
$88.80
$111.00
Save: $22.20
Free Continental US Shipping!
Subaru WRX STI Pulley Cover - Perrin Performance - Hyper Pink - `04-`21
$93.60
$117.00
Save: $23.40
Subaru WRX STI Pulley Covers - BLOX Racing - Black - `15-`27
$64.99
$74.99
Save: $10.00
Subaru WRX STI Pulley Covers - BLOX Racing - Black - `15-`27
$64.99
$74.99
Save: $10.00
Subaru WRX STI Race Master Valves - Exhaust - Manley Performance - 32mm Stainless - 2004
$211.14
$263.93
Save: $52.79
Subaru WRX STI Radiator - CSF - 2-Row 42mm Race-Spec All Aluminum with B-Tube Technology - Black - `08-`14
$485.00
$509.00
Save: $24.00
Free Continental US Shipping!
Subaru WRX STI Radiator - CSF - 2-Row with Built-In Oil Cooler - `08-`15
$749.00
$805.00
Save: $56.00
Free Continental US Shipping!
Subaru WRX STI Radiator - CSF - High-Performance Aluminum - `08-`14
$485.00
$509.00
Save: $24.00
Free Continental US Shipping!
Subaru WRX STI Radiator - Koyo - Racing All Aluminum - `08-`15
$520.35
$565.60
Save: $45.25
Subaru WRX STI Radiator Hose Kit - GrimmSpeed - Black - `08-`17
$120.00
$144.00
Save: $24.00
Subaru WRX STI Radiator Hose Kit - GrimmSpeed - Red - `08-`17
$119.00
$142.80
Save: $23.80
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Black - `04-`07
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Black - `08-`18
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Blue - `04-`07
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Blue - `08-`18
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Red - `04-`07
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hose Kit - Torque Solution - Silicone - Red - `08-`18
$94.99
$109.99
Save: $15.00
Subaru WRX STI Radiator Hoses - GrimmSpeed - Black - `04-`07
$119.00
$142.80
Save: $23.80
Subaru WRX STI Radiator Hoses - GrimmSpeed - Red - `04-`07
$119.00
$142.80
Save: $23.80
Subaru WRX STI Radiator Shroud - GrimmSpeed - Black - `15-`27
$99.00
$118.80
Save: $19.80
Subaru WRX STI Radiator Shroud - GrimmSpeed - with Tool Tray - Black - `04-`07
$65.00
$78.00
Save: $13.00
Subaru WRX STI Radiator Shroud - Perrin Performance - Black - `02-`07
$56.00
$70.00
Save: $14.00
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - Black - `08-`14
$74.40
$93.00
Save: $18.60
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - PA - Neon Yellow - `08-`14
$81.60
$102.00
Save: $20.40
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - Red - `02-`07
$56.00
$70.00
Save: $14.00
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - Red - `08-`14
$74.40
$93.00
Save: $18.60
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - With OEM Intake Scoop - Black - `15-`21
$93.60
$117.00
Save: $23.40
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - With OEM Intake Scoop - Neon Yellow - `15-`21
$116.00
$145.00
Save: $29.00
Subaru WRX STI Radiator Shroud - Perrin Performance - With OEM Intake Scoop - Red - `15-`21
$93.60
$117.00
Save: $23.40
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - With/Without OEM Intake Scoop - Black - `15-`21
$163.20
$204.00
Save: $40.80
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - With/Without OEM Intake Scoop - Hyper Pink - `15-`21
$180.80
$226.00
Save: $45.20
Subaru WRX STI Radiator Shroud - Perrin Performance - With/Without OEM Intake Scoop - Neon Yellow - `15-`21
$180.80
$226.00
Save: $45.20
Subaru WRX STI Radiator Shroud - Perrin Performance - With/Without OEM Intake Scoop - Red - `15-`21
$163.20
$204.00
Save: $40.80
Free Continental US Shipping!
Subaru WRX STI Radiator Shroud - Perrin Performance - Without OEM Intake Scoop - Hyper Pink - `15-`21
$116.00
$145.00
Save: $29.00
Subaru WRX STI Radiator Shroud - Perrin Performance - Without OEM Intake Scoop - Neon Yellow - `15-`21
$116.00
$145.00
Save: $29.00
Subaru WRX STI Radiator Shroud - Perrin Performance - Without OEM Intake Scoop - Red - `15-`21
$93.60
$117.00
Save: $23.40
Free Continental US Shipping!
Subaru WRX STI Radiator Shrouds - GrimmSpeed - Red - `15-`27
$99.00
$118.80
Save: $19.80
Subaru WRX STI Rear Differential Bushings - Torque Solution - `02-`07
$44.33
$53.20
Save: $8.87
Subaru WRX STI Release Bearing - Exedy - OEM - `02-`16
$51.18
$60.21
Save: $9.03
Subaru WRX STi Release Bearing - XCLUTCH - Pull Type - `04-`24
$79.41
$88.23
Save: $8.82
Subaru WRX STI Shifter Bushing Kit - Perrin Performance - 6 Spd - `04-`21
$28.00
$35.00
Save: $7.00
Subaru WRX STI Shifter Bushings - Rear - Torque Solution - TQS - `02-`12
$31.91
$38.29
Save: $6.38
Subaru WRX STI Shifter Bushings - Torque Solution - `04-`05
$26.58
$31.90
Save: $5.32
Subaru WRX STI Shifter Bushings - Torque Solution - `04-`14
$19.50
$23.40
Save: $3.90
Subaru WRX STI Shifter Bushings - Torque Solution - Complete Shifter Bushing Combo Kit - `06-`14
$94.99
$109.99
Save: $15.00
Subaru WRX STI Shifter Bushings - Torque Solution - Linkage - `06-`13
$26.58
$31.90
Save: $5.32
Subaru WRX STI Shifter Bushings - Torque Solution - Linkage & Pivot Bushings Combo - `04-`05
$44.33
$53.20
Save: $8.87
Subaru WRX STI Shifter Bushings - Torque Solution - Linkage & Pivot Bushings Combo - `06-`14
$44.33
$53.20
Save: $8.87
Subaru WRX STI Shifter Bushings - Torque Solution - Positive Shift Kit - `02-`07
$44.33
$53.20
Save: $8.87
Subaru WRX STI Shifter Bushings - Torque Solution - Positive Shift Kit - `08-`11
$44.33
$53.20
Save: $8.87
Subaru WRX STI Shifter Bushings - Torque Solution - Solid - `04-`19
$44.33
$53.20
Save: $8.87
Subaru WRX STI Shifter Bushings - Torque Solution - Solid Shifter Linkage U-Joint - `06-`19
$74.99
$84.99
Save: $10.00
Subaru WRX STI Short Shift Adapter - Perrin Performance - 6spd with Shifter Bushings Kit - `04-`21
$79.20
$99.00
Save: $19.80
Free Continental US Shipping!
Subaru WRX STI Short Shift Adapter - Perrin Performance - Shifter Detent Kit - Red - `04-`21
$37.60
$47.00
Save: $9.40
Subaru WRX STI Short Shifter - BLOX Racing - BX - `06-`17
$24.53
$29.44
Save: $4.91
Subaru WRX STI Short Shifter & Bushings Combo - Torque Solution - TQS - `04-`13
$184.99
$219.99
Save: $35.00
Subaru WRX STi Short Shifter Kit - Kartboy - TALLBOY - `04-`21
$215.00
$258.00
Save: $43.00
Free Continental US Shipping!
Subaru WRX STI Short Shifters - Torque Solution - `04-`11
$139.99
$164.99
Save: $25.00
Subaru WRX STI Short Throw Shifter - Fidanza - Up to 40% Reduction of Gear Throw - `96-`03
$92.39
$110.87
Save: $18.48
Subaru WRX STI Thermostat Housing - Torque Solution - Billet - Black Anodized - `04-`21
$59.40
$69.99
Save: $10.59
Subaru WRX STI Throttle Body Adapter - Torque Solution - Big Bore 76mm - Black - `06-`21
$69.99
$79.99
Save: $10.00
Subaru WRX STI Throttle Body Adapter - Torque Solution - Big Bore 76mm - Silver - `06-`21
$69.99
$79.99
Save: $10.00
Subaru WRX STI Throttle Body Hose Coupler - Torque Solution - Silicone - Black - `04-`18
$26.58
$31.90
Save: $5.32
Subaru WRX STI Throttle Body Spacer - Torque Solution - Blue - `04-`15
$57.62
$64.99
Save: $7.37
Subaru WRX STI Timing Belt Guide - Torque Solution - Billet - `02-`13
$47.87
$57.44
Save: $9.57
Subaru WRX STI Top Mount Intercooler - Perrin Performance - PA - Silver - `08-`21
$744.00
$930.00
Save: $186.00
Free Continental US Shipping!
Subaru WRX STI Top Mount Intercooler - Perrin Performance - TMIC - Black - `08-`21
$744.00
$930.00
Save: $186.00
Free Continental US Shipping!
Subaru WRX STI Transmission Mount - GrimmSpeed - 75A Street - `04-`21
$249.00
$298.80
Save: $49.80
Free Continental US Shipping!
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We stock thousands of parts and accessories from most major suppliers. Only a small portion of our catalog is on our online store. We are continously adding products to our site, but if you do not see the product you are looking for please contact us by phone or email and we will gladly assist you.512-982-9393 (TX) or 562-981-6800 (CA)
