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Looking for aftermarket parts to modify or upgrade your 2005 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 |
 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 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 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 |