View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2003 Honda Civic with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.
 IN STOCK HS01HC2GTPInvidia 01+ Civic EX 2DR/4DR 60mm (101mm tip) Cat-back Exhaust 2001-2005 Honda Civic EX $833.00 |
 OUT OF STOCK HS02HC3GTPInvidia 02+ Honda Civic Si 3 Door (101mm tip) Cat- Back Exhaust 2002-2005 Honda Civic Si $833.00 |
 OUT OF STOCK 106-0301BRExhaust Direct-Fit Replacement Exhaust Kit 106-0301 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0301’... MagnaFlow BRE Exhaust Kit 01-05 Honda Civic 1.7L 2001-2005 Honda Civic DX / LX $522.00 |
 IN STOCK - DROPSHIPS 106-0312BRExhaust Direct-Fit Replacement Exhaust Kit 106-0312 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0312’... MagnaFlow BRE Exhaust Kit 01-05 Honda Civic 1.7L 2001-2005 Honda Civic EX / GX / HX $428.00 |
 IN STOCK - DROPSHIPS 106-0358BRExhaust Direct-Fit Replacement Exhaust Kit 106-0358 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0358’... MagnaFlow BRE Exhaust Kit 02-06 Acura RSX 2.0L 2002-2005 Honda Civic Si $300.00 |
 IN STOCK 15712The MagnaFlow 2001-2005 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 1.7L 2001-2005 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 2 Straig... MagnaFlow Sys C/B Honda Civic 2001 2001-2005 Honda Civic DX / EX / LX $787.00 |
 IN STOCK - DROPSHIPS 15757The MagnaFlow 2002-2005 Honda Civic Street Series Cat-Back Performance Exhaust System brings out the personality of your 2.0L 2002-2005 Honda Civic with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.25in. main piping and 2 Straig... MagnaFlow Sys C/B Civic Hatchback I4 2.0L 02- 2002-2005 Honda Civic Si $782.00 |
 SHIPS FROM MANUFACTURER 413-05-5020A properly designed exhaust system is critical to engine performance. Skunk2's 70mm MegaPower Exhaust system for the 02-05 Civic Si was developed with this in mind and is based off of more than 15 years' worth of racing experience. Dyno-proven for maximum horsepower, MegaPower R cat-back systems are... Skunk2 MegaPower R 02-05 Honda Civic Si 70mm Exhaust System 2002-2005 Honda Civic Si $664.95 |