Honda Civic Si

A properly designed exhaust system is critical to engine performance. Skunk2's 76mm MegaPower RR Exhaust system for the 2012 Civic Si coupe was dev...

A properly designed exhaust system is critical to engine performance. Skunk2's 76mm MegaPower RR Exhaust system for the 07-11 Civic Si sedan was de...

A properly designed exhaust system is critical to engine performance. Skunk2's 76mm MegaPower RR Exhaust system for the 06-11 Civic Si coupe was de...

A properly designed exhaust system is critical to engine performance. Skunk2's 70mm MegaPower Exhaust system for the 07-11 Civic Si sedan was devel...

A properly designed exhaust system is critical to engine performance. Skunk2's 70mm MegaPower Exhaust system for the 06-11 Civic Si coupe was devel...

A properly designed exhaust system is critical to engine performance. Skunk2's 70mm MegaPower Exhaust system for the 02-05 Civic Si was developed w...

Skunk2's all-aluminum, full-size Alpha Series Radiator for the '06-'11 Civic Si is a direct-fit upgrade designed to dramatically increase both cool...

Skunk2s engineers went back to the drawing board when they set out to improve the already popular 06-11 Civic Si's RBC intake manifold. Each of Sku...

Skunk2s engineers went back to the drawing board when they set out to improve the already popular 06-11 Civic Si's RBC intake manifold. Each of Sku...

Invidia 12+ Honda Civic Si Sedan N1 Titanium Tip 76mm Cat-Back ExhaustThis Part Fits: Year Make Model Submodel 2012-2015 Honda Civic Si

Invidia 12-13 Honda Civic Si K24 Coupe Q300 Rolled Stainless Steel Tip Cat-back ExhaustThis Part Fits: Year Make Model Submodel 2012-2015 Honda ...

Invidia 02+ Honda Civic Si 3 Door (101mm tip) Cat- Back ExhaustThis Part Fits: Year Make Model Submodel 2002-2005 Honda Civic Si

GReddy 2017+ Honda Civic SI Coupe DD-R Resonated Exhaust

GReddy 2017+ Honda Civic SI Sedan Supreme SP ExhaustThis Part Fits: Year Make Model Submodel 2017-2020 Honda Civic Si

GReddy 2017+ Honda Civic SI Coupe Supreme SP ExhaustThis Part Fits: Year Make Model Submodel 2017-2020 Honda Civic Si

PERRIN 17-21 Honda Civic Si / 22-26 Acura Integra 64.1mm 5x114.3 Wheel Spacers 20mm - Pair

Adds performance to any shock. Benefit from better durability over O.E.M. rubber bushings. Important to use for competition of any kind. Great for ...

Energy's Hyper-Flex(TM) is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-roa...

Skunk2's Fine Tuning products and accessories, like its Silicone Radiator Hoses for the '06-'11 Civic Si, help put the finishing touches onto your ...

Engineered to racing specifications, tested and proven over decades on winning racing teams. Integrating the highest-level technologies into an aff...

Skunk2's cutting-edge Composite Fuel Rail for the 06-11 Civic Si is here. Skunk2's Composite Fuel Rails are made using a proprietary carbon-impregn...

Through its technical partnership with the championship-winning Compass360 Racing team, engineers at Skunk2 have developed an all new cold air inta...

Skunk2 drew upon its experience and longstanding technical partnership with championship-winning Compass360 Racing when developing its all-new Cold...