Add some extra performance, power, and tone and get rid of your restricting stock muffler. Hummer H3 performance mufflers cut down on restrictions and boost air flow, enhancing your power and efficiency. Choose from a wide range of exhaust muffler designs, from race-tuned to dual-exit.
Intensify - or turn down - your H3's tone. For awe inspiring power and efficiency, Hummer H3 mufflers are specially assembled to reduce inefficiencies. Choose Auto Accessories Garage for popular Hummer H3 mufflers with budget-friendly prices.