Cat-Back Performance Exhaust System Dual Extreme. For 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. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. If you want Extreme this system is it.

• Finish - Stainless
• Exit - Dual
• Year - 07-10
• Model - Hummer H3 4dr 3.7L 4wd;2006 Hummer H3 4dr 3.5L 4wd
• Dimension - 54 x 20 x 12 in.
• Item Weight - 53 lbs.
• Tubing Size (2) 80-c - 2.50-in. Stainless mandrel bent tubing.
• Includes all hardware and factory Muffler Style hangers for easy bolt on installation.
• Exit Position (4) 80-c - Exits Behind Each Rear Tire.

Gibson Muffler features a baffled & chambered design no internal packing powerful deep tone.

• Muffler Quantity - 1
• Muffler Style - 7 in. Round; 2.50 in. Center Inlet; 2.50in. Dual Outlet; L-24 in.

3.50in.; Polished; T304 Stainless; Round; Slash- Cut Tip; Clamp on.

• Tip Quantity - 2
• Tip size - Inlet 2.50 in.; Outlet 3.5 in.; L-12 in.