Gibson Dual Extreme Aluminized Cat-Back Exhaust – 2010–2013 Silverado / Sierra 1500 4.8L Crew / Extended Cab – 5637

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. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.

• 2.25-in.Aluminized mandrel bent tubing.
• Baffled & Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound
• 4 x 9 x 18 in. Oval Body; 3.00 in. Center Inlet; 2.25 in. Dual Outlet.
• 3.5in. Polished T304 Stainless. Round Slash-Cut Tip. Clamp on.
• Inlet 2.25in.; Outlet 3.50in.; L-12in.
• Exits Behind Each Rear Tire.
• Lifetime Limited Warranty
• 50 State Legal / California Emissions Compliant