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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.
 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 $1,153.00 |
 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 $1,153.00 |
 IN STOCK 140037This 2.5" diameter into dual 2" Cat-Back™ system features the Touring sound level with no drone inside the vehicle. The exhaust exits thru single 4.25" X 3.5" oval polished T-304 stainless steel tips on each tail pipe. BORLA® Cat-Back™ & Axle-Back exhaust systems feature patented straight-throu... Borla 03-06 Hummer H2 6.0L 8cyl SS Catback Exhaust 2003-2006 Hummer H2 Base $1,694.99 |
 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 $679.64 |
 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 $679.64 |
 IN STOCK - DROPSHIPS 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 $679.64 |
 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 $700.66 |
 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 $526.80 |
 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 $655.58 |
 IN STOCK - DROPSHIPS 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 $404.83 |
 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 $416.38 |
 IN STOCK 40-3023When it comes to performance exhaust systems, most people are looking for three things: Power. Sound. Quality. JBA Exhaust Systems deliver the best of all three. While there is high demand for performance and sound, the capacity for power in a JBA Exhaust System gives us the edge. Each system is tun... JBA 03-06 Hummer H2 6.0L 409SS Single Rear Exit Cat-Back Exhaust 2003-2006 Hummer H2 Base $544.67 |
 OUT OF STOCK 106-0538BRExhaust Direct-Fit Replacement Exhaust Kit 106-0538 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. 106-0538’... MagnaFlow BRE Exhaust Kit 03-06 Hummer H2 6.0L 2003-2006 Hummer H2 Base $694.00 |
 OUT OF STOCK 15770The MagnaFlow 2003-2006 Hummer H2 Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L 2003-2006 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Th... MagnaFlow Sys C/B GM H2 6.0L V8 03 Awd 2003-2006 Hummer H2 Base $1,000.86 |
 IN STOCK - DROPSHIPS 16673The MagnaFlow 2003-2006 Hummer H2 Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L 2003-2006 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Thro... MagnaFlow Sys C/B 03-06 Hummer H2 split rear 2003-2006 Hummer H2 Base $1,204.45 |
 IN STOCK 16772The MagnaFlow 2007-2008 Hummer H2 Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L, 6.2L 2007-2008 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3.5in. main piping and 2 Strai... MagnaFlow Sys C/B 07 GM Hummer H2 Split Rear 2007-2008 Hummer H2 Base $1,193.45 |