Gibson 07-11 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

Starting with 3.5-inch mandrel-bent stainless steel tubing, this Gibson cat-back exhaust system is built for your 2007-2011 GMC Sierra 1500 Denali with the 6.2L engine. It's designed to exit behind the rear tire, giving your truck a cleaner look and a more aggressive stance. This system aims to improve your truck's acceleration, hill climbing, and towing capabilities by boosting low-end torque and horsepower.

The heart of this system is Gibson's Superflow™ muffler, which uses a baffled and chambered design without internal packing. This construction helps to minimize interior drone while still producing an aggressive sound outside the vehicle. Dyno tests suggest this setup can add an average of 10-15 horsepower and 15-20 lb-ft of torque, particularly in the 1800 to 3000 RPM range, which is useful for towing and passing. The kit includes polished stainless steel slash-cut tips for a finished look.

Installation is straightforward thanks to the bolt-on design, which uses factory-style hangers and includes all necessary hardware, meaning no welding is required. Gibson backs this exhaust system with a Lifetime Limited Warranty, reflecting its well-built stainless steel construction. This system is a solid option if you're looking to enhance your Sierra's performance and sound.