Showing 1 to 112 of 112 (1 Pages)
Recommended by MADNESS
7 Degree Reamer Tool - Rough Country
$99.95
$119.94
Save: $19.99
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BMC Intake Replacement Filter - 54mm/ 2.125"
$86.99
$126.99
Save: $40.00
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BMC Intake Replacement Filter - 63mm/ 2.5" - FBTW63-140P
$74.90
$75.90
Save: $1.00
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Recommended by MADNESS
BMC Intake Replacement Filter - 70mm/ 2.75" - FBTS70-150P
$69.40
$70.40
Save: $1.00
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BMC Intake Replacement Filter - 70mm/ 2.75" - FBTW70-140P
$84.80
$85.80
Save: $1.00
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BMC Intake Replacement Filter - Carbon Dynamic Airbox (CDA) - 2.75" Inlet/ Outlet - ACCDASP-56
$289.99
$259.99
Save: $-30.00
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Carbon Racing Performance Air Filter by BMC - CRF613/08
$642.50
$643.50
Save: $1.00
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Performance Air Intake - Rough Country - High-Flow Replacement Filter
$49.95
$59.94
Save: $9.99
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Pressure Sensor - Rough Country - Universal TPMS
$29.95
$35.94
Save: $5.99
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Wireless Air Bag Controller Kit - Rough Country - w/Compressor, Bluetooth Compatible
$749.95
$899.94
Save: $149.99
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Ford Super Duty Intercooler Pipe - 6.7L Powerstroke Engine - Hot Side High Output Pipe - '17 - '26
$249.00
$299.99
Save: $50.99
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Recommended by MADNESS
Honda Civic Si Air Filter - aFe - Magnum FLOW OE Replacement w/ Pro 5R Media - `22-`25
$71.00
$85.20
Save: $14.20
Honda Civic Si Air Filter - aFe - Pro DRY S - `17-`20
$76.00
$91.20
Save: $15.20
Honda Civic Si Performance Air Intake - aFe - Magnum FLOW OE Replacement PRO DRY S - `06-`11
$76.00
$91.20
Save: $15.20
Honda Civic Si Performance Air Intake - aFe - Momentum Stage-2 Pro 5R - Polished - `12-`15
$387.00
$464.40
Save: $77.40
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Honda Civic Si Performance Air Intake - aFe - Stage-2 w/ Pro DRY S Filter - Polished - `06-`11
$297.00
$356.40
Save: $59.40
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Honda Civic Si Performance Air Intake - aFe - Takeda Momentum Stage-2 Si PRO DRY S - Polished - `12-`15
$399.00
$478.80
Save: $79.80
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Honda Civic Si Performance Air Intake - aFe - Takeda Stage-2 w/ Pro 5R Filter - `17-`20
$338.00
$405.60
Save: $67.60
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Honda Civic Si Performance Air Intake - aFe - Takeda Stage-2 w/ Pro Dry S Filter - `17-`20
$354.00
$424.80
Save: $70.80
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Honda Civic Si Performance Exhaust - aFe - Takeda MACHForce XP Cat Back - `12-`15
$953.00
$1,143.60
Save: $190.60
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Honda Civic Si Performance Exhaust - aFe - Takeda MACHForce XP Cat Back - `12-`15
$953.00
$1,143.60
Save: $190.60
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Honda Civic Si Performance Exhaust - Rear - aFe - Axle Back, Takeda - `06-`11
$719.00
$862.80
Save: $143.80
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Honda Civic Si Throttle Body Spacer - aFe - Silver Bullet - `12-`15
$139.00
$166.80
Save: $27.80
Honda Civic SI Catalytic Converter - Magnaflow - OEM Grade Direct-Fit - `06-`11
$1,118.00
$1,341.60
Save: $223.60
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Honda Civic Si Fan Shroud Kit - Mishimoto - Performance Aluminum - Aluminum - `06-`11
$255.95
$282.00
Save: $26.05
Honda Civic Si Performance Air Intake - Mishimoto - Heat Shield - Wrinkle Black - `06-`11
$371.95
$409.00
Save: $37.05
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Honda Civic Si Performance Air Intake - Mishimoto - Wrinkle Black - Black - `06-`11
$240.95
$265.00
Save: $24.05
Honda Civic Si Control Arm Bushing Set - Front - Energy Suspension - Performance Polyurethane - Red - `99-`00
$104.16
$156.23
Save: $52.07
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Honda Civic Si Control Arm Bushings - Rear - Energy Suspension - Performance Polyurethane - Black - `02-`05
$113.61
$170.42
Save: $56.81
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Honda Civic Si Fuel Pump - DeatschWerks - DW400 Pump Module + Return Kit - `12-`15
$1,049.00
$1,258.80
Save: $209.80
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Honda Civic Si Fuel Pump - DeatschWerks - DW400 Pump Module + Return Kit - `12-`15
$1,179.00
$1,414.80
Save: $235.80
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Honda Civic Si Fuel Pump - DeatschWerks - DW400 w/ Return Kit & CPE Fuel Lines - `06-`11
$1,049.00
$1,258.80
Save: $209.80
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Honda Civic Si Fuel Pump Kit - DeatschWerks - DW400 - `06-`11
$1,179.00
$1,414.80
Save: $235.80
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Honda Civic Si Fuel Pump Module - DeatschWerks - DW400 Pump Module - `06-`11
$539.00
$646.80
Save: $107.80
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Honda Civic Si Fuel Pump Module - DeatschWerks - DW400 Pump Module - `12-`15
$539.00
$646.80
Save: $107.80
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Honda Civic Si Performance Air Intake - Injen - RD Series - Black - `99-`00
$374.45
$449.34
Save: $74.89
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Honda Civic Si Performance Air Intake - Injen - RD Series - Polished - `99-`00
$374.45
$449.34
Save: $74.89
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Honda Civic Si Performance Air Intake - Injen - SP Series with MR Technology - Polished - `12-`15
$558.49
$670.19
Save: $111.70
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Honda Civic Si Performance Air Intake - Injen - SP Series, Short Ram, Tuned, MR Technology, Web Nano-Fiber - Black - `12-`13
$514.62
$617.54
Save: $102.92
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Honda Civic Si Performance Air Intake - Injen - SP Short Ram - Polished - `17-`20
$421.53
$505.84
Save: $84.31
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Honda Civic Si Performance Air Intake - Injen - SP Short Ram Intake - Wrinkle Red - `17-`20
$421.53
$505.84
Save: $84.31
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Honda Civic Si Performance Air Intake - Injen - True Cold Air Intake w/ MR Tech - Black - `12-`15
$558.49
$670.19
Save: $111.70
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Honda Civic Si Performance Air Intake - K&N Engineering - High-Flow - `06-`10
$55.19
$66.23
Save: $11.04
Honda Civic Si Performance Air Intake - K&N Engineering - High-Flow Drop-In - `12-`15
$55.19
$66.23
Save: $11.04
Honda Civic Si Performance Air Intake - K&N Engineering - Typhoon - Silver - `12-`15
$369.99
$443.99
Save: $74.00
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Honda Civic Si Performance Exhaust - Rear - Injen - Axle-Back, Stainless Steel, Resonated Tips - `12-`15
$502.85
$603.42
Save: $100.57
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Honda Civic Si Throttle Control Module - Injen - X-Pedal Pro Black Edition - Black - `06-`11
$243.75
$292.50
Save: $48.75
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Honda Civic Si Throttle Control Module - Injen - X-Pedal Pro Black Edition - Black - `12-`15
$243.75
$292.50
Save: $48.75
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Sprung (Street) - `06-`11
$686.66
$823.99
Save: $137.33
Honda Civic Si Clutch Kit - Action Clutch - Ironman Unsprung - 2022+
$1,007.21
$1,208.65
Save: $201.44
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) + Lightened Flywheel - `12-`15
$603.36
$724.03
Save: $120.67
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) + OE-HD Flywheel - `12-`15
$518.46
$622.15
Save: $103.69
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) - `06-`11
$348.46
$418.15
Save: $69.69
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) - `12-`15
$361.21
$433.45
Save: $72.24
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) - `17-`21
$433.46
$520.15
Save: $86.69
Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) w/Aluminum Flywheel - 2022+
$811.71
$974.05
Save: $162.34
Honda Civic Si Clutch Kit - Action Clutch - Stage 2 (1SC) w/OE-HD Flywheel - `12-`15
$679.96
$815.95
Save: $135.99
Honda Civic Si Clutch Kit - Action Clutch - Stage 2 - `06-`11
$509.96
$611.95
Save: $101.99
Honda Civic Si Clutch Kit - Action Clutch - Stage 2 - `12-`15
$764.96
$917.95
Save: $152.99
Honda Civic Si Clutch Kit - Action Clutch - Stage 2 - `12-`15
$450.46
$540.55
Save: $90.09
Honda Civic Si Clutch Kit - Action Clutch - Stage 2 - `17-`21
$497.21
$596.65
Save: $99.44
Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) - `17-`21
$492.96
$591.55
Save: $98.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) Sprung MIBA Ceramic - `12-`15
$450.46
$540.55
Save: $90.09
Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) w/Lightened Flywheel - `12-`15
$662.96
$795.55
Save: $132.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) with Sprung MIBA Ceramic - `06-`11
$407.96
$489.55
Save: $81.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 4 (1MD) - `06-`11
$407.96
$489.55
Save: $81.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 4 (1MD) w/Lightened Flywheel - `12-`15
$662.96
$795.55
Save: $132.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 4 (1MD) w/OE-HD Flywheel - `12-`15
$577.96
$693.55
Save: $115.59
Honda Civic Si Clutch Kit - Action Clutch - Stage 5 (2MS) - `02-`05
$824.46
$989.35
Save: $164.89
Honda Civic Si Clutch Kit - Action Clutch - Stage 5 (2MS) - `06-`11
$569.46
$683.35
Save: $113.89
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Honda Civic Si Clutch Kit - Action Clutch - Stage 5 (2MS) w/ Lightened Flywheel - `12-`15
$824.46
$989.35
Save: $164.89
Honda Civic Si Clutch Kit - Clutch Masters - FX100 High Rev Sprung - `12-`13
$807.50
$950.00
Save: $142.50
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Honda Civic Si Clutch Kit - Clutch Masters - FX300 Sprung w/ Steel Flywheel - `12-`13
$892.50
$1,050.00
Save: $157.50
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Honda Civic Si Clutch Kit - Clutch Masters - FX350 High Rev Sprung - `12-`13
$850.00
$1,000.00
Save: $150.00
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Honda Civic Si Clutch Kit - Clutch Masters - FX400 6-Puck Ceramic - `12-`13
$488.75
$575.00
Save: $86.25
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Honda Civic Si Flywheel - Action Clutch - Aluminum Lightweight - `02-`05
$280.46
$336.55
Save: $56.09
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Honda Civic Si Flywheel - Action Clutch - Chromoly Lightweight - 2022+
$390.96
$469.15
Save: $78.19
Honda Civic Si Flywheel - Action Clutch - Chromoly Lightweight - `02-`05
$280.46
$336.55
Save: $56.09
Honda Civic Si Flywheel - Action Clutch - OE-HD - `02-`05
$178.46
$214.15
Save: $35.69
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Honda Civic Si Flywheel - Action Clutch - OE-HD - `12-`15
$178.46
$214.15
Save: $35.69
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Honda Civic Si Performance Exhaust - AWE Tuning - Dual-to-Triple Tip Conversion Kit - Chrome Silver - `17-`20
$305.00
$321.05
Save: $16.05
Honda Civic SI Clutch Kit - Exedy - OE - `12-`15
$261.80
$308.01
Save: $46.21
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Honda Civic SI Engine Mount - Rear - Torque Solution - V2 - `17-`21
$149.99
$174.99
Save: $25.00
Honda Civic SI Engine Mount - Torque Solution - Billet Aluminum - `02-`05
$144.99
$169.99
Save: $25.00
Honda Civic Si Exhaust Valves (8) - Ferrea - 5000 Series - `99-`00
$121.18
$145.42
Save: $24.24
Honda Civic Si Intake Manifold - Skunk2 Racing - Ultra Series 3.5L - Silver - `02-`05
$901.60
$949.05
Save: $47.45
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Honda Civic Si O2 Sensor Wire Harness Extension - Skunk2 Racing - Alpha Series Race - `06-`14
$41.85
$44.05
Save: $2.20
Honda Civic Si Performance Air Intake - Skunk2 Racing - Composite Cold Air Intake - `12-`15
$373.78
$393.45
Save: $19.67
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Honda Civic Si Performance Exhaust - Invidia - Cat Back, Titanium Tip, N1 - `14-`15
$903.56
$1,290.80
Save: $387.24
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Honda Civic Si Performance Exhaust - Invidia - N1 Cat Back, Titanium Tip - `06-`11
$903.56
$1,290.80
Save: $387.24
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Honda Civic Si Performance Exhaust - Invidia - N1 Titanium Tip Cat-back - `06-`11
$1,111.32
$1,587.60
Save: $476.28
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Honda Civic Si Performance Exhaust - Invidia - N1 Titanium Tip Cat-back - `06-`11
$1,111.32
$1,587.60
Save: $476.28
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Honda Civic Si Performance Exhaust - Invidia - Q300 Cat Back - Stainless - `14-`15
$973.14
$1,390.20
Save: $417.06
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Honda Civic Si Performance Exhaust - Rear - Skunk2 Racing - MegaPower RR, Double Barrel Exit, Dual Race Mufflers, High Flow Resonator - `17-`20
$845.45
$889.95
Save: $44.50
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Honda Civic Si Performance Exhaust - Revel - Medallion Street Plus Cat Back - `03-`07
$560.50
$590.00
Save: $29.50
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Honda Civic SI Piston Set - Wiseco - Forged 4 Cyl - `93-`01
$776.99
$932.39
Save: $155.40
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Honda Civic Si Piston Set - Wiseco - Professional Series - `93-`01
$776.99
$932.39
Save: $155.40
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Honda Civic Si Racing Radiator - Koyo - All Aluminum, 28mm Hoses - `92-`00
$289.99
$344.99
Save: $55.00
Honda Civic Si Racing Radiator - Koyo - V2574 All Aluminum - `02-`05
$349.99
$414.99
Save: $65.00
Honda Civic SI Supercharger Belt - KraftWerks - Serpentine Belt; 68 in.; 7 Rib - `06-`11
$76.02
$80.02
Save: $4.00
Honda Civic Si Throttle Body - BLOX Racing - Dual-pattern K-series 70mm Tuner Series - `06-`11
$183.20
$229.00
Save: $45.80
Honda Civic Si Throttle Body Adapter - Skunk2 Racing - 84mm to 90mm Big-Bore - `07-`11
$23.04
$24.25
Save: $1.21
Honda Civic Si Throttle Body Adapter - Skunk2 Racing - Ultra-Series Race - `06-`11
$73.77
$77.65
Save: $3.88
Honda Civic Si Valve Springs - Ferrea - Alloy Single Valve Springs - `17-`20
$87.12
$104.54
Save: $17.42
ScanGauge III Ultra-compact OBDII Vehicle Monitor
$269.99
$299.99
Save: $30.00
Recommended by MADNESS
Sold Out
OBDII Connector - Rough Country - 2 to 1
$19.95
$23.94
Save: $3.99
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Breather Filter - 3/4"
$14.99
Sold Out
Honda Civic Si Performance Exhaust - Revel - Medallion Touring-S Catback - `02-`05
$845.50
$890.00
Save: $44.50
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Showing 1 to 112 of 112 (1 Pages)
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