Looking for aftermarket parts to modify or upgrade your 2013 Honda Civic with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Civic.
Whether you have a 2013 Honda Civic in Si trim we have you covered. We have 11 catback available to mod your Civic. All parts have free shipping to the Continental US 48 States.
 IN STOCK 49-46601This unique dual transverse exhaust system is constructed form mandrel bent stainless steel and is TIG welded. This system was designed and engineered by tuning the perfect tube lengths; ultimately maximizing performance across the power band while maintaining a great tone. aFe carefully engineere... aFe Takeda MACHForce XP Exhaust Cat-Back 12 Honda Civic Si L4 2.4L SEDAN ONLY 2012-2015 Honda Civic Si $730.13 SALE |
 OUT OF STOCK 49-46602This unique dual transverse exhaust system is constructed form mandrel bent stainless steel and is TIG welded. This system was designed and engineered by tuning the perfect tube lengths; ultimately maximizing performance across the power band while maintaining a great tone. aFe carefully engineere... aFe Takeda MACHForce XP Exhaust Cat-Back 12 Honda Civic Si L4 2.4L COUPE ONLY 2012-2015 Honda Civic Si $730.13 SALE |
 SHIPS FROM MANUFACTURER 10158209GReddy 12-15 Honda Civic Si Coupe 76mm Supreme SP Cat-Back Exhaust 2012-2015 Honda Civic Si $760.00 |
 IN STOCK HS12HC2GTTFor 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 with high quality SUS304 Stainless Steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-... Invidia 12-13 Honda Civic Si Coupe N1 Titanium Tip Cat-Back Exhaust 2012-2015 Honda Civic Si $564.17 SALE |
 IN STOCK HS12HC2STTFor 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 with high quality SUS304 Stainless Steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-... Invidia 12-15 Honda Civic Si Coupe N1 Titanium Tip 76mm Cat-Back Exhaust 2012-2015 Honda Civic Si $690.10 SALE |
 IN STOCK HS12HC4GTTFor 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 with high quality SUS304 Stainless Steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-... Invidia 12+ Honda Civic Si Sedan N1 Titanium Tip Cat-Back Exhaust 2012-2015 Honda Civic Si $564.17 SALE |
 IN STOCK HS12HC4STTFor 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 with high quality SUS304 Stainless Steel, CNC-machined flanges, and manufactured with a polished finish. Each system features mandrel-... Invidia 12+ Honda Civic Si Sedan N1 Titanium Tip 76mm Cat-Back Exhaust 2012-2015 Honda Civic Si $690.10 SALE |
 IN STOCK HS12HC2G3SThe Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater ... Invidia 12-13 Honda Civic Si K24 Coupe Q300 Rolled Stainless Steel Tip Cat-back Exhaust 2012-2015 Honda Civic Si $606.34 SALE |
 IN STOCK HS12HC4G3SThe Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater ... Invidia 12+ Honda Civic Si Sedan Q300 Rolled Stainless Steel Tip Cat-back Exhaust 2012-2015 Honda Civic Si $606.34 SALE |
 IN STOCK 413-05-6050A properly designed exhaust system is critical to engine performance. Skunk2’s 76mm MegaPower RR Exhaust system for the 2012 Civic Si coupe 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 RR systems... Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust System 2012-2013 Honda Civic Si $641.99 SALE VIEW PRICE IN CART |
 IN STOCK 413-05-6055A properly designed exhaust system is critical to engine performance. Skunk2’s 76mm MegaPower RR Exhaust system for the 2012 Civic Si coupe 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 RR systems... Skunk2 MegaPower RR 12 Honda Civic Si (4dr) 76mm Exhaust System 2012-2013 Honda Civic Si $641.99 SALE VIEW PRICE IN CART |