Looking for 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 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 |
 OUT OF STOCK 49-44049The 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 Power MACHForce XP Exhaust System Cat-Back 409 Stainless Steel 07-08 Hummer H2 V8 6.0L/6.2L 2007-2008 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 |
 OUT OF STOCK 14216CORSAs Patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a D... Corsa 03-06 Hummer H2 6.0L V8 Polished Sport Cat-Back Exhaust 2003-2006 Hummer H2 Base $1,703.99 |
 OUT OF STOCK 14216BLKCORSAs Patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a D... Corsa 03-06 Hummer H2 6.0L V8 Black Sport 3in Single Rear Twin 4in Tips Cat-Back Exhaust 2003-2006 Hummer H2 Base $1,739.99 |
 SHIPS FROM MANUFACTURER 612601For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains.... Gibson 2007 Hummer H2 Base 6.0L 2.25in Cat-Back Dual Extreme Exhaust - Stainless 2007-2008 Hummer H2 Base $676.34 |
 SHIPS FROM MANUFACTURER 612603For the extremist who wants to take their Hummer to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains... Gibson 2009 Hummer H2 Base 6.2L 2.25in Cat-Back Dual Extreme Exhaust - Stainless 2009-2009 Hummer H2 Base $676.34 |
 SHIPS FROM MANUFACTURER 612001If youre looking to add a little style to your Truck or SUV and want to keep the exhaust from affecting your tow trailer, this Dual Cat back Exhaust System is for you, exiting behind the rear tire for a look that sets your vehicle apart on the street or in the dirt. Hassle free, bolt-on installation... Gibson 08-09 Hummer H2 Base 6.2L 2.25in Cat-Back Dual Sport Exhaust - Stainless 2007-2009 Hummer H2 Base $676.34 |
 SHIPS FROM MANUFACTURER 612001BThe Black Elite Series product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite Series. For increased style and Performance, the seri... Gibson 2008 Hummer H2 Base 6.2L 2.25in Cat-Back Dual Sport Exhaust - Black Elite 2007-2008 Hummer H2 Base $697.36 |
 SHIPS FROM MANUFACTURER 312500Gibson most popular exhaust is the one you can trust when you want reliable performance from your vehicle. This single exhaust exits straight out the back, complemented with polished Stainless Tip. Hassle free, bolt-on installation with professional looking results. You can expect to experience gain... Gibson 03-06 Hummer H2 Base 6.0L 3in Cat-Back Single Exhaust - Aluminized 2003-2006 Hummer H2 Base $523.50 |
 SHIPS FROM MANUFACTURER 612500Gibson most popular exhaust is the one you can trust when you want reliable performance from your vehicle. This single exhaust exits straight out the back, complemented with polished Stainless Tip. Hassle free, bolt-on installation with professional looking results. You can expect to experience gain... Gibson 03-06 Hummer H2 Base 6.0L 3in Cat-Back Single Exhaust - Stainless 2003-2006 Hummer H2 Base $652.28 |
 SHIPS FROM MANUFACTURER 612501Gibson most popular exhaust is the one you can trust when you want reliable performance from your vehicle. This single exhaust exits straight out the back, complemented with polished Stainless Tip. Hassle free, bolt-on installation with professional looking results. You can expect to experience gain... Gibson 08-09 Hummer H2 Base 6.2L 3.5in Cat-Back Single Exhaust - Stainless 2007-2009 Hummer H2 Base $614.35 |
 SHIPS FROM MANUFACTURER 612501BThe Black Elite Series product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium black finish applied with Gibson's formulated process exclusive only to the Black Elite Series. For increased style and Performance, the seri... Gibson 2008 Hummer H2 Base 6.2L 3.5in Cat-Back Single Exhaust - Black Elite 2007-2008 Hummer H2 Base $632.13 |
 IN STOCK 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 - DROPSHIPS 16673Made 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 03-06 Hummer H2 split rear 2003-2006 Hummer H2 Base $1,136.00 |
 IN STOCK - DROPSHIPS 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 |