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Recommended by MADNESS
BMC Intake Replacement Filter - 54mm/ 2.125"
$86.99
$126.99
Save: $40.00
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Recommended by MADNESS
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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Recommended by MADNESS
BMC Intake Replacement Filter - 70mm/ 2.75" - FBTW70-140P
$84.80
$85.80
Save: $1.00
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Recommended by MADNESS
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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Honda Civic Performance Air Intake - Ramair - Foam Induction Kit - Black - 2.0L DOHC Type R (EP3) - '01-'05
$136.77
$164.12
Save: $27.35
Honda Civic Performance Air Intake - Ramair - SR, Twin-Layer Foam, T304 Stainless Cage - 2.0L Type R (EP3) - '01-'05
$124.94
$149.93
Save: $24.99
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 2.5in 304 SS Cat-Back with Blue Tips - Blue - `17-`20
$1,153.00
$1,383.60
Save: $230.60
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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 - 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 Sedan Performance Exhaust - aFe - Cat Back, Takeda - `17-`20
$1,049.00
$1,258.80
Save: $209.80
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Honda Civic SI Sedan Performance Exhaust - aFe - Cat Back, Takeda 2.5in 304SS - Black - `17-`20
$1,049.00
$1,258.80
Save: $209.80
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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 Intercooler - Mishimoto - Performance - Black - `17-`27
$699.95
$770.00
Save: $70.05
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Honda Civic Si Performance Air Intake - Mishimoto - Heat Shield - Wrinkle Black - `06-`11
$334.95
$368.00
Save: $33.05
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Honda Civic Si Performance Air Intake - Mishimoto - Wrinkle Black - Black - `06-`11
$216.95
$239.00
Save: $22.05
Honda Civic Si Radiator Hose Kit - Mishimoto - Silicone - Red - `12-`15
$119.95
$132.00
Save: $12.05
Honda Civic Si Radiator Hose Kit - Mishimoto - Silicone Hose - Black - `12-`15
$119.95
$132.00
Save: $12.05
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
$318.28
$381.94
Save: $63.66
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Honda Civic Si Performance Air Intake - Injen - RD Series - Polished - `99-`00
$318.28
$381.94
Save: $63.66
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Honda Civic Si Performance Air Intake - Injen - SP Series with MR Technology - Polished - `12-`15
$474.72
$569.66
Save: $94.94
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Honda Civic Si Performance Air Intake - Injen - SP Series, Short Ram, Tuned, MR Technology, Web Nano-Fiber - Black - `12-`13
$437.43
$524.92
Save: $87.49
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Honda Civic Si Performance Air Intake - Injen - SP Short Ram - Polished - `17-`20
$358.30
$429.96
Save: $71.66
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Honda Civic Si Performance Air Intake - Injen - SP Short Ram Intake - Wrinkle Red - `17-`20
$358.30
$429.96
Save: $71.66
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Honda Civic Si Performance Air Intake - Injen - True Cold Air Intake w/ MR Tech - Black - `12-`15
$474.72
$569.66
Save: $94.94
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Honda Civic SI Performance Air Intake - K&N Engineering - FIPK - `99-`00
$317.99
$381.59
Save: $63.60
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
$427.42
$512.90
Save: $85.48
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Honda Civic Si Throttle Control Module - Injen - X-Pedal Pro Black Edition - Black - `06-`11
$207.19
$248.63
Save: $41.44
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Honda Civic Si Throttle Control Module - Injen - X-Pedal Pro Black Edition - Black - `12-`15
$207.19
$248.63
Save: $41.44
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Honda Civic SI Clutch - Action Clutch - Twin 7.25in Sprung Disc Race Clutch w/Chromoly FW - `12-`15
$1,757.45
$2,108.94
Save: $351.49
Honda Civic Si Clutch Kit - Action Clutch - 7.25in Twin Disc - `17-`21
$1,472.45
$1,766.94
Save: $294.49
Honda Civic Si Clutch Kit - Action Clutch - 7.25in Twin Disc w/Chromoly Flywheel - `06-`11
$1,377.45
$1,652.94
Save: $275.49
Honda Civic Si Clutch Kit - Action Clutch - Ironman Sprung (Street) - 2022+
$1,007.21
$1,208.65
Save: $201.44
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Sprung (Street) - `02-`05
$942.14
$1,130.57
Save: $188.43
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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 Sprung (Street) - `17-`21
$628.96
$754.75
Save: $125.79
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Sprung (Street) w/ Lightened Flywheel - `12-`15
$942.14
$1,130.57
Save: $188.43
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Honda Civic SI Clutch Kit - Action Clutch - Ironman Sprung (Street) w/Chromoly Flywheel - 2022+
$973.21
$1,167.85
Save: $194.64
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Sprung (Street) w/OE-HD Flywheel - `12-`15
$856.66
$1,027.99
Save: $171.33
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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 - Ironman Unsprung - 2022+
$973.21
$1,167.85
Save: $194.64
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Unsprung - `02-`05
$942.14
$1,130.57
Save: $188.43
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Unsprung - `06-`11
$686.66
$823.99
Save: $137.33
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Unsprung - `12-`15
$942.14
$1,130.57
Save: $188.43
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Honda Civic Si Clutch Kit - Action Clutch - Ironman Unsprung - `12-`15
$856.66
$1,027.99
Save: $171.33
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Honda Civic SI Clutch Kit - Action Clutch - Sprung Twin Disc Race Clutch w/Chromoly FW - `06-`11
$1,757.45
$2,108.94
Save: $351.49
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 1 (1OS) w/Chromoly Flywheel - 2022+
$777.71
$933.25
Save: $155.54
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Honda Civic Si Clutch Kit - Action Clutch - Stage 1 (1OS) w/Lightened Flywheel - `02-`05
$603.36
$724.03
Save: $120.67
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Honda Civic Si Clutch Kit - Action Clutch - Stage 1 HD (2OS) - `17-`21
$488.71
$586.45
Save: $97.74
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Honda Civic Si Clutch Kit - Action Clutch - Stage 1 HD (2OS) with Chromoly Flywheel - 2022+
$832.96
$999.55
Save: $166.59
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Honda Civic Si Clutch Kit - Action Clutch - Stage 2 (1SC) - `02-`05
$764.96
$917.95
Save: $152.99
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Honda Civic Si Clutch Kit - Action Clutch - Stage 2 (1SC) Chromoly Flywheel - 2022+
$841.46
$1,009.75
Save: $168.29
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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) + Aluminum Flywheel - 2022+
$871.21
$1,045.45
Save: $174.24
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Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) - 2022+
$837.21
$1,004.65
Save: $167.44
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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 Lightened Flywheel - `02-`05
$662.96
$795.55
Save: $132.59
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Honda Civic Si Clutch Kit - Action Clutch - Stage 3 (1MS) with OE-HD Flywheel - `12-`15
$577.96
$693.55
Save: $115.59
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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) - 2022+
$871.21
$1,045.45
Save: $174.24
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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) - `12-`15
$450.46
$540.55
Save: $90.09
Free Continental US Shipping!
Honda Civic Si Clutch Kit - Action Clutch - Stage 4 (1MD) - `17-`21
$492.96
$591.55
Save: $98.59
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Honda Civic Si Clutch Kit - Action Clutch - Stage 4 (1MD) w/Lightened Flywheel - `02-`05
$662.96
$795.55
Save: $132.59
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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 4 (1MD) with Chromoly Flywheel - 2022+
$837.21
$1,004.65
Save: $167.44
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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) - `12-`15
$739.46
$887.35
Save: $147.89
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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 - Action Clutch - Stage 5 (2MS) with Aluminum Flywheel - 2022+
$930.71
$1,116.85
Save: $186.14
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Honda Civic Si Clutch Kit - Action Clutch - Stage 5 (2MS) with Chromoly Flywheel - 2022+
$896.71
$1,076.05
Save: $179.34
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Honda Civic Si Clutch Kit - Action Clutch - Stage 5 - 2MS - `17-`21
$552.46
$662.95
Save: $110.49
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) - `06-`11
$569.47
$683.36
Save: $113.89
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) - `17-`21
$552.46
$662.95
Save: $110.49
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) w/ Chromoly Flywheel - 2022+
$896.71
$1,076.05
Save: $179.34
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) w/Aluminum Flywheel - 2022+
$930.71
$1,116.85
Save: $186.14
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) w/Lightened Flywheel - `02-`05
$824.46
$989.35
Save: $164.89
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) w/OE-HD Flywheel - `12-`15
$739.46
$887.35
Save: $147.89
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Honda Civic Si Clutch Kit - Action Clutch - Stage 6 (2MD) with Lightened Flywheel - `12-`15
$824.46
$989.35
Save: $164.89
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Honda Civic Si Clutch Kit - Action Clutch - Triple Disc 7.25in - 2022+
$1,662.45
$1,994.94
Save: $332.49
Honda Civic Si Clutch Kit - Action Clutch - Triple Disc 7.25in - `06-`11
$1,614.95
$1,937.94
Save: $322.99
Honda Civic Si Clutch Kit - Action Clutch - Triple Disc 7.25in - `12-`15
$1,614.95
$1,937.94
Save: $322.99
Honda Civic Si Clutch Kit - Action Clutch - Triple Disc 7.25in w/Chromoly Flywheel - `17-`21
$1,662.45
$1,994.94
Save: $332.49
Honda Civic Si Clutch Kit - Action Clutch - Twin Disc - 2022+
$1,472.45
$1,766.94
Save: $294.49
Honda Civic Si Clutch Kit - Clutch Masters - FX100 High Rev Sprung - `12-`13
$807.50
$950.00
Save: $142.50
Free Continental US Shipping!
Honda Civic Si Clutch Kit - Clutch Masters - FX300 Sprung w/ Steel Flywheel - `12-`13
$892.50
$1,050.00
Save: $157.50
Free Continental US Shipping!
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 - FX350 High Rev Sprung - `12-`13
$488.75
$575.00
Save: $86.25
Free Continental US Shipping!
Honda Civic Si Clutch Kit - Clutch Masters - FX400 6-Puck Ceramic - `12-`13
$488.75
$575.00
Save: $86.25
Free Continental US Shipping!
Honda Civic Si Flywheel - Action Clutch - Aluminum Lightweight - `02-`05
$280.46
$336.55
Save: $56.09
Free Continental US Shipping!
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 - Chromoly Lightweight - `17-`21
$446.21
$535.45
Save: $89.24
Free Continental US Shipping!
Honda Civic Si Flywheel - Action Clutch - OE-HD - `02-`05
$178.46
$214.15
Save: $35.69
Honda Civic Si Flywheel - Action Clutch - OE-HD - `12-`15
$178.46
$214.15
Save: $35.69
Honda Civic Si Performance Exhaust - AWE Tuning - Cat Back Track Edition - Chrome Silver - `16-`27
$1,135.00
$1,194.74
Save: $59.74
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Cat Back, Dual Diamond Black Tips, Track Edition - Diamond Black - `22-`27
$1,290.00
$1,357.89
Save: $67.89
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Cat-Back Track - Chrome Silver - `22-`27
$1,235.00
$1,300.00
Save: $65.00
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Cat-Back Track Edition - Chrome Silver - `16-`27
$1,185.00
$1,247.37
Save: $62.37
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Cat-Back Track Edition - Diamond Black - `16-`27
$1,185.00
$1,247.37
Save: $62.37
Free Continental US Shipping!
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 Performance Exhaust - AWE Tuning - Touring Edition Cat-Back with Triple Chrome Silver Tips - Chrome Silver - `16-`27
$1,495.00
$1,573.68
Save: $78.68
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Touring Edition Cat-Back, Dual Tips, AWE's 180 Technology® - Chrome Silver - `22-`27
$1,495.00
$1,573.68
Save: $78.68
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Touring Edition with Front Pipe & Triple Tips - Diamond Black - `16-`27
$1,545.00
$1,626.32
Save: $81.32
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Touring-to-Track Conversion - `22-`27
$305.00
$321.05
Save: $16.05
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Track Edition with Triple Tips - Diamond Black - `16-`27
$1,235.00
$1,300.00
Save: $65.00
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - AWE Tuning - Track-to-Touring Conversion Kit - `22-`27
$515.00
$542.11
Save: $27.11
Free Continental US Shipping!
Honda Civic SI Performance Exhaust - AWE Tuning - Triple-to-Dual Tip Conversion Kit - `17-`27
$205.00
$215.79
Save: $10.79
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - Rear - AWE Tuning - Cat Back Touring - Black - `22-`27
$1,545.00
$1,626.32
Save: $81.32
Free Continental US Shipping!
Honda Civic Si Performance Exhaust - Rear - AWE Tuning - Cat Back, Touring Edition, Dual Tips - Chrome Silver - `16-`27
$1,390.00
$1,463.16
Save: $73.16
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Honda Civic SI Programmer - COBB - AccessPORT V3 - `17-`20
$715.00
$858.00
Save: $143.00
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Honda Civic SI Aluminum Flywheel - SPEC - `12-`13
$359.10
$399.00
Save: $39.90
Honda Civic SI Clutch Kit - Exedy - OE - `12-`15
$257.63
$303.10
Save: $45.47
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Honda Civic Si Clutch Kit - SPEC - Stage 3+ - `17-`21
$890.10
$989.00
Save: $98.90
Honda Civic Si Connecting Rods - Skunk2 Racing - Alpha Series - `16-`27
$518.94
$546.25
Save: $27.31
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Honda Civic Si Engine Mount - Rear - Innovative Mounts - Billet - `12-`27
$173.20
$192.45
Save: $19.25
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Honda Civic Si Engine Mount - Rear - Innovative Mounts - Billet Single Mount-75A - Black - `12-`27
$162.70
$180.78
Save: $18.08
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Honda Civic SI Engine Mount - Rear - Torque Solution - Billet Aluminum - `02-`05
$124.99
$144.99
Save: $20.00
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 Engine Mount Kit - Torque Solution - Billet Aluminum - `02-`05
$409.99
$489.99
Save: $80.00
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Honda Civic Si Exhaust Manifold Flange - Vibrant - 3/8" Thick, 304 Stainless Steel - `12-`27
$48.99
$64.99
Save: $16.00
Honda Civic Si Exhaust Manifold Flange - Vibrant - Mild Steel, 1/2in Thick - `12-`27
$43.99
$58.99
Save: $15.00
Honda Civic Si Exhaust Valves (8) - Ferrea - 5000 Series - `99-`00
$121.18
$145.42
Save: $24.24
Honda Civic Si Fuel Injector Adapter - Grams Performance - Plug and Play - `12-`13
$9.99
$10.49
Save: $0.50
Honda Civic Si Intake Gasket - Torque Solution - Thermal - `12-`27
$37.32
$44.78
Save: $7.46
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 Intercooler Kit - GReddy - T-28E - `17-`27
$660.25
$695.00
Save: $34.75
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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 Air Intake - Weapon R - Stealth Secret Weapon - Flat Black - `12-`15
$359.99
$429.99
Save: $70.00
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Honda Civic SI Performance Exhaust - GReddy - DD-R Resonated - `17-`27
$940.50
$990.00
Save: $49.50
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Honda Civic Si Performance Exhaust - HKS - Hi-Power Muffler - `17-`27
$1,600.00
$1,920.00
Save: $320.00
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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 - Gemini Triple Cat Back - Titanium - `17-`27
$1,399.44
$1,999.20
Save: $599.76
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Honda Civic SI Performance Exhaust - Invidia - Gemini Triple Titanium Tip Cat-back - `17-`27
$1,399.44
$1,999.20
Save: $599.76
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Honda Civic Si Performance Exhaust - Invidia - N1 Cat Back - Stainless - `22-`27
$984.90
$1,407.00
Save: $422.10
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Honda Civic Si Performance Exhaust - Invidia - N1 Cat Back, Burnt TI Tips - Titanium - `22-`27
$1,043.70
$1,491.00
Save: $447.30
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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 - Invidia - Q300 Cat Back, Rolled SS Tips - `22-`27
$1,099.56
$1,570.80
Save: $471.24
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Honda Civic SI Performance Exhaust - Invidia - Q300 Cat Back, Titanium Tips - `17-`27
$1,323.00
$1,890.00
Save: $567.00
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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 - Remark - Cat Back (Link Loop) - Burnt Stainless - `22-`27
$1,235.00
$1,482.00
Save: $247.00
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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 Performance Exhaust - Skunk2 Racing - 2.5 inch Downpipe Gasket - `12-`27
$29.99
$31.49
Save: $1.50
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 Shifter Base Bushing Kit - Torque Solution - `16-`27
$32.66
$39.19
Save: $6.53
Honda Civic Si Short Shifter - Torque Solution - `12-`15
$109.99
$129.99
Save: $20.00
Honda Civic SI Short Shifter - Torque Solution - `17-`27
$134.99
$159.99
Save: $25.00
Honda Civic Si Short Throw Shifter - Fidanza - `12-`15
$209.99
$251.99
Save: $42.00
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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 Titanium Retainers - Exhaust - Ferrea - `17-`20
$172.37
$206.84
Save: $34.47
Honda Civic Si Titanium Retainers - Ferrea - 5.5mm Valve Stem Intake - `17-`20
$172.37
$206.84
Save: $34.47
Honda Civic SI Transmission Mount - Torque Solution - Billet Aluminum - `02-`05
$144.99
$169.99
Save: $25.00
Honda Civic Si Valve Springs - Ferrea - Alloy Single Valve Springs - `17-`20
$87.12
$104.54
Save: $17.42
Honda Civic Si Cylinder Head Gasket - Cometic Gasket - MLS .030 inch, 89mm Bore - `12-`27
$96.52
$107.24
Save: $10.72
ScanGauge III Ultra-compact OBDII Vehicle Monitor
$269.99
$299.99
Save: $30.00
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Breather Filter - 3/4"
$14.99
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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 208 of 208 (1 Pages)
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