Description
Enhance the performance and sound of your 2006-2010 Hummer H3 with the MagnaFlow Street Series Cat-Back Exhaust System. Designed specifically for models equipped with 3.5L and 3.7L engines, this system delivers a balanced blend of sporty tone and refined performance. Featuring mandrel-bent 2.5-inch main piping, it ensures optimal exhaust flow for improved horsepower and torque. The dual straight-through mufflers culminate in a stylish dual split rear exit with polished 3.5-inch welded-on double wall angle cut tips, adding a bold visual appeal to your vehicle.
The exhaust kit replaces the stock exhaust components from just after the catalytic converter to the rear, providing a direct-fit installation that is straightforward enough for DIY enthusiasts. Extensive 3D scanning during development guarantees a precise fit, while CNC robotic manufacturing ensures consistent quality and durability. Constructed from corrosion-resistant stainless steel, this system is built to withstand harsh conditions, maintaining performance and appearance over time.
With a moderate exterior and mild interior sound level, the MagnaFlow Hummer H3 exhaust delivers an assertive yet refined driving experience. Its dyno-proven design enhances engine efficiency, helping your vehicle produce more power while maintaining compliance with emissions standards. Backed by a one-year limited finish warranty and a limited lifetime construction warranty, this system offers long-lasting performance and peace of mind. Whether you’re looking to improve your Hummer’s sound, appearance, or overall performance, the MagnaFlow Street Series Cat-Back Exhaust System is a reliable upgrade that stands out in both style and function.
Features:
- Durable corrosion-resistant stainless steel construction ensures longevity and performance.
- CNC precision robotic manufacturing guarantees consistent quality and precise fit.
- Dyno-proven performance enhances horsepower and torque for improved driving dynamics.
Fitment:
Hummer H3 Adventure 2008
Hummer H3 Adventure 2009
Hummer H3 Base 2006
Hummer H3 Base 2007
Hummer H3 Base 2008
Hummer H3 Base 2009
Hummer H3 Base 2010
Hummer H3 Luxury 2008
Hummer H3 Luxury 2009
Hummer H3 X 2007
Hummer H3 X 2008
Hummer H3 X 2009

























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