Looking for in-stock aftermarket parts to modify or upgrade your Hummer H2 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your H2.
Whether you have a 2003 or 2009 Hummer H2 in Base trim we have you covered. We have 17 catback available to mod your H2. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 49-44010The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB Hummer H2 03-06 V8-6.0L 2003-2006 Hummer H2 Base $884.40 SALE |
 IN STOCK 140037Borla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 03-06 Hummer H2 6.0L 8cyl SS Catback Exhaust 2003-2006 Hummer H2 Base $1,570.99 |
 IN STOCK - LOW 40-3023JBA 03-06 Hummer H2 6.0L 409SS Single Rear Exit Cat-Back Exhaust 2003-2006 Hummer H2 Base $485.95 |
 IN STOCK - LOW 15770Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow Sys C/B GM H2 6.0L V8 03 Awd 2003-2006 Hummer H2 Base $938.00 |
 IN STOCK - LOW 16772Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow MF Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the u... MagnaFlow Sys C/B 07 GM Hummer H2 Split Rear 2007-2008 Hummer H2 Base $1,136.00 |