Quick view Details Invidia 06-11 Civic Si Header MSRP: $882.00 Now: $617.40 Compare Quick view Details GReddy 06-11 Honda Civic Si (FG2) K20A SP Elite Exhaust (2 dr Coupe ONLY) Compare Quick view Details Skunk2 Alpha 06-11 Honda Civic Si Stainless Steel Race Header (4-2-1 Step Design) Compare Quick view Details GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust Compare Quick view Details GReddy 06-11 Honda Civic Si Coupe 60mm RS Cat Back Exhaust (Use w/ 11050104 for 4dr) Compare Quick view Details Injen 06-11 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Compare Quick view Injen 06-11 Civic Si Coupe & Sedan Black Cold Air Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare Quick view Injen 06-11 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare Quick view Injen 06-11 Civic Si 2.0L 4Cyl. Coupe & Sedan Black Short Ram Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare Quick view AEM 06-11 Civic Si Polished Cold Air Intake AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare Quick view AEM 06-11 Civic Si Cold Air Intake - Gunmetal Grey AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare Quick view GReddy 06-11 Honda Civic Si Evo3 Exhaust GReddy Exhaust - Evolution 3 (EVO3): Building on the ever-popular Evolution line, we are proud to introduce the GReddy Evo3, Evolution Exhaust System. The Evo3 was designed to provide the best combination of Performance and Sound. Retaining the same... View Details Compare Quick view Invidia 06-11 Civic Si Header Part Number: HS06HC2HDPNotes: Exhaust Manifold; 4-2-1 DesignManufacturer: Invidia Piping: 44 / 54 / 70mm MSRP: $882.00 Now: $617.40 Compare Quick view GReddy 06-11 Honda Civic Si (FG2) K20A SP Elite Exhaust (2 dr Coupe ONLY) GReddy Exhaust - SP Elite: The SP line of GReddy Exhaust systems has set the benchmark for bolt-on, Street Performance: with style, sound, fitment, power and quality since 1994. The SP Elite, is GReddy’s latest version of this full... View Details Compare Quick view Skunk2 Alpha 06-11 Honda Civic Si Stainless Steel Race Header (4-2-1 Step Design) Skunk2 Alpha Series Header: Skunk2 is proud to announce its all-new Alpha Header. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Header... View Details Compare Quick view GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust The legacy of the GReddy SP lives on with GReddy’s best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st... View Details Compare Quick view GReddy 06-11 Honda Civic Si Coupe 60mm RS Cat Back Exhaust (Use w/ 11050104 for 4dr) GReddy Exhaust - Racing Sport (RS): New for 2011, GReddy Racing Sport (RS) Cat-back Exhausts combine a high flow straight-through design, polished stainless-steel construction and aggressive sound. A combination worthy for the street. The systems... View Details Compare Quick view Injen 06-11 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Injen Super SES - Titanium Tip Exhaust System: Designed for specific vehicles, the Injen Titanium Tip (TT) Edition gives the Super SES exhaust line its added flare. With a more aggressive burnt titanium tip finish, larger diameters (where... View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected
Quick view Details Skunk2 Alpha 06-11 Honda Civic Si Stainless Steel Race Header (4-2-1 Step Design) Compare
Quick view Details GReddy 06-11 Honda Civic Si Coupe 60mm RS Cat Back Exhaust (Use w/ 11050104 for 4dr) Compare
Quick view Injen 06-11 Civic Si Coupe & Sedan Black Cold Air Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare
Quick view Injen 06-11 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare
Quick view Injen 06-11 Civic Si 2.0L 4Cyl. Coupe & Sedan Black Short Ram Intake Injen Air Intake - SP Series Intake System: The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System... View Details Compare
Quick view AEM 06-11 Civic Si Polished Cold Air Intake AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare
Quick view AEM 06-11 Civic Si Cold Air Intake - Gunmetal Grey AEM Cold Air Intake: AEM pioneered the Cold Air induction system for sport compact cars in 1994.A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air... View Details Compare
Quick view GReddy 06-11 Honda Civic Si Evo3 Exhaust GReddy Exhaust - Evolution 3 (EVO3): Building on the ever-popular Evolution line, we are proud to introduce the GReddy Evo3, Evolution Exhaust System. The Evo3 was designed to provide the best combination of Performance and Sound. Retaining the same... View Details Compare
Quick view Invidia 06-11 Civic Si Header Part Number: HS06HC2HDPNotes: Exhaust Manifold; 4-2-1 DesignManufacturer: Invidia Piping: 44 / 54 / 70mm MSRP: $882.00 Now: $617.40 Compare Quick view GReddy 06-11 Honda Civic Si (FG2) K20A SP Elite Exhaust (2 dr Coupe ONLY) GReddy Exhaust - SP Elite: The SP line of GReddy Exhaust systems has set the benchmark for bolt-on, Street Performance: with style, sound, fitment, power and quality since 1994. The SP Elite, is GReddy’s latest version of this full... View Details Compare Quick view Skunk2 Alpha 06-11 Honda Civic Si Stainless Steel Race Header (4-2-1 Step Design) Skunk2 Alpha Series Header: Skunk2 is proud to announce its all-new Alpha Header. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Header... View Details Compare Quick view GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust The legacy of the GReddy SP lives on with GReddy’s best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st... View Details Compare Quick view GReddy 06-11 Honda Civic Si Coupe 60mm RS Cat Back Exhaust (Use w/ 11050104 for 4dr) GReddy Exhaust - Racing Sport (RS): New for 2011, GReddy Racing Sport (RS) Cat-back Exhausts combine a high flow straight-through design, polished stainless-steel construction and aggressive sound. A combination worthy for the street. The systems... View Details Compare Quick view Injen 06-11 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Injen Super SES - Titanium Tip Exhaust System: Designed for specific vehicles, the Injen Titanium Tip (TT) Edition gives the Super SES exhaust line its added flare. With a more aggressive burnt titanium tip finish, larger diameters (where... View Details Compare Previous 1 2 3 4 5 6 7 Next Previous 1 2 3 4 5 6 7 Next Compare Selected
Quick view GReddy 06-11 Honda Civic Si (FG2) K20A SP Elite Exhaust (2 dr Coupe ONLY) GReddy Exhaust - SP Elite: The SP line of GReddy Exhaust systems has set the benchmark for bolt-on, Street Performance: with style, sound, fitment, power and quality since 1994. The SP Elite, is GReddy’s latest version of this full... View Details Compare
Quick view Skunk2 Alpha 06-11 Honda Civic Si Stainless Steel Race Header (4-2-1 Step Design) Skunk2 Alpha Series Header: Skunk2 is proud to announce its all-new Alpha Header. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Header... View Details Compare
Quick view GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust The legacy of the GReddy SP lives on with GReddy’s best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st... View Details Compare
Quick view GReddy 06-11 Honda Civic Si Coupe 60mm RS Cat Back Exhaust (Use w/ 11050104 for 4dr) GReddy Exhaust - Racing Sport (RS): New for 2011, GReddy Racing Sport (RS) Cat-back Exhausts combine a high flow straight-through design, polished stainless-steel construction and aggressive sound. A combination worthy for the street. The systems... View Details Compare
Quick view Injen 06-11 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip Injen Super SES - Titanium Tip Exhaust System: Designed for specific vehicles, the Injen Titanium Tip (TT) Edition gives the Super SES exhaust line its added flare. With a more aggressive burnt titanium tip finish, larger diameters (where... View Details Compare