SALE Quick view Details Invidia | sku: HS06HC4G3S Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare
SALE Quick view Details Invidia | sku: HS06HC2G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe MSRP: $1,064.00 Was: $744.00 Now: $695.00 Add to Cart Compare
Quick view Details Injen | sku: SES1577 Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si MSRP: Now: $466.95 Add to Cart Compare SALE Quick view Details Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare Quick view Details Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Details Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Details Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Details Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Details Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3S Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $695.00 Add to Cart Compare Quick view Injen | sku: SES1577 Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen Super SES - Stainless Exhaust System: Injen TechnologyÂ’s Super SES line of exhaust systems are dyno-tuned to compliment our performance intake systems; in doing so, the Super SES... MSRP: Now: $466.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exhaust is constructed... MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare Quick view Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si INJEN PERFORMANCE EXHAUST SYSTEM - SES1578TT 2006-2011 Honda Civic Si L4-2.0L KEY FEATURES Direct fit for 2006-2011 Honda Civic Si L4-2.0L Fits Coupe models ONLY Dyno Proven gains of up to 5 hp and 4 lb-ft. of torque Full 60MM piping made... MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Exhaust System: Skunk2 MegaPowerR exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack... MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust System: Skunk2 Mega Power RR exhaust systems are based off of the exhaust systems we custom build for our road race and time attack cars. These systems... MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare Compare Selected × OK
SALE Quick view Details Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare
Quick view Details Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Details Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Details Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Details Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Details Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3S Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $695.00 Add to Cart Compare Quick view Injen | sku: SES1577 Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen Super SES - Stainless Exhaust System: Injen TechnologyÂ’s Super SES line of exhaust systems are dyno-tuned to compliment our performance intake systems; in doing so, the Super SES... MSRP: Now: $466.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exhaust is constructed... MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare Quick view Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si INJEN PERFORMANCE EXHAUST SYSTEM - SES1578TT 2006-2011 Honda Civic Si L4-2.0L KEY FEATURES Direct fit for 2006-2011 Honda Civic Si L4-2.0L Fits Coupe models ONLY Dyno Proven gains of up to 5 hp and 4 lb-ft. of torque Full 60MM piping made... MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Exhaust System: Skunk2 MegaPowerR exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack... MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust System: Skunk2 Mega Power RR exhaust systems are based off of the exhaust systems we custom build for our road race and time attack cars. These systems... MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare Compare Selected × OK
SALE Quick view Details Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare
SALE Quick view Details Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare
SALE Quick view Details Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare
SALE Quick view Details Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare
SALE Quick view Invidia | sku: HS06HC4G3S Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Cat Back Exhaust HS06HC4G3S, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare
SALE Quick view Invidia | sku: HS06HC2G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC2G3T, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $695.00 Add to Cart Compare
Quick view Injen | sku: SES1577 Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen 60MM Axle Back Exhaust SES1577, 2006-2011 Honda Civic Si Injen Super SES - Stainless Exhaust System: Injen TechnologyÂ’s Super SES line of exhaust systems are dyno-tuned to compliment our performance intake systems; in doing so, the Super SES... MSRP: Now: $466.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exhaust is constructed... MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare Quick view Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si INJEN PERFORMANCE EXHAUST SYSTEM - SES1578TT 2006-2011 Honda Civic Si L4-2.0L KEY FEATURES Direct fit for 2006-2011 Honda Civic Si L4-2.0L Fits Coupe models ONLY Dyno Proven gains of up to 5 hp and 4 lb-ft. of torque Full 60MM piping made... MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Exhaust System: Skunk2 MegaPowerR exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack... MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust System: Skunk2 Mega Power RR exhaust systems are based off of the exhaust systems we custom build for our road race and time attack cars. These systems... MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare Compare Selected
SALE Quick view Invidia | sku: HS06HC2GTT Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Cat Back Exhaust HS06HC2GTT, 2006-2011 Honda Civic Si Coupe Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exhaust is constructed... MSRP: $922.00 Was: $645.00 Now: $629.00 Add to Cart Compare
Quick view Injen | sku: SES1578TT Injen Cat Back Exhaust (Titanium Tip) SES1578TT, 2006-2011 Honda Civic Si INJEN PERFORMANCE EXHAUST SYSTEM - SES1578TT 2006-2011 Honda Civic Si L4-2.0L KEY FEATURES Direct fit for 2006-2011 Honda Civic Si L4-2.0L Fits Coupe models ONLY Dyno Proven gains of up to 5 hp and 4 lb-ft. of torque Full 60MM piping made... MSRP: Now: $860.95 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare SALE Quick view Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Exhaust System: Skunk2 MegaPowerR exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack... MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare SALE Quick view Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust System: Skunk2 Mega Power RR exhaust systems are based off of the exhaust systems we custom build for our road race and time attack cars. These systems... MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare Compare Selected
SALE Quick view Invidia | sku: HS06HC2G3S Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Cat Back Exhaust HS06HC2G3S, 2006-2011 Honda Civic Si Coupe Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains... MSRP: $993.00 Was: $695.00 Now: $679.00 Add to Cart Compare
SALE Quick view Invidia | sku: HS06HC4G3T Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Titanium Tip Cat Back Exhaust HS06HC4G3T, 2006-2011 Honda Civic Si Sedan Invidia Q300 Exhaust: The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside... MSRP: $1,064.00 Was: $744.00 Now: $729.00 Add to Cart Compare
SALE Quick view Skunk2 | sku: 413-05-5025 Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Cat-Back Exhaust (70MM) 413-05-5025, 2006-2011 Honda Civc Si Coupe Skunk2 Mega Power R Exhaust System: Skunk2 MegaPowerR exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack... MSRP: $641.54 Was: $610.99 Now: $609.99 Add to Cart Compare
SALE Quick view Skunk2 | sku: 413-05-6025 Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust 413-05-6025, 2006-2011 Honda Civic Si Coupe Skunk2 Mega Power RR Exhaust System: Skunk2 Mega Power RR exhaust systems are based off of the exhaust systems we custom build for our road race and time attack cars. These systems... MSRP: $674.09 Was: $641.99 Now: $639.99 Add to Cart Compare