Looking for aftermarket parts to modify or upgrade your 2010 Hummer H3 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your H3.
Whether you have a 2010 Hummer H3 in Alpha to Base trim we have you covered. We have 10 catback available to mod your H3. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 62210For 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 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Extreme Exhaust - Stainless 2006-2010 Hummer H3 Base $652.28 |
 SHIPS FROM MANUFACTURER 62211For 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 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Extreme Exhaust - Stainless 2008-2010 Hummer H3 Alpha $652.28 |
 SHIPS FROM MANUFACTURER 312700For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the ba... Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized 2006-2010 Hummer H3 Base $523.50 |
 SHIPS FROM MANUFACTURER 612700For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the ba... Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Stainless 2006-2010 Hummer H3 Base $652.28 |
 SHIPS FROM MANUFACTURER 612701For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the ba... Gibson 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Split Exhaust - Stainless 2008-2010 Hummer H3 Alpha $652.28 |
 SHIPS FROM MANUFACTURER 312800Gibson 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 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Single Exhaust - Aluminized 2006-2010 Hummer H3 Base $437.82 |
 SHIPS FROM MANUFACTURER 612800Gibson 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 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Single Exhaust - Stainless 2006-2010 Hummer H3 Base $574.30 |
 SHIPS FROM MANUFACTURER 612801Gibson 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 08-10 Hummer H3 Alpha 5.3L 3in Cat-Back Single Exhaust - Stainless 2008-2010 Hummer H3 Alpha $574.30 |
 IN STOCK - LOW 16630Made 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 05 Hummer H3 3.5L 2006-2010 Hummer H3 Base $938.00 |
 IN STOCK - LOW 16832Made 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 08 Hummer H3 5.3L V8 2008-2010 Hummer H3 Alpha $938.00 |