Gibson 615629 - 14-18 GMC Sierra 1500 Denali 5.3L 3.5in Cat-Back Single Exhaust - Stainless

Gibson - 615629

Cat-Back Single Exhaust System; Stainless

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 18-21 and 20-22lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty.

• Stainless Steel Mandrel Bent Tubing
• Superflow™ Muffler
• Baffled/Chambered Muffler; No Internal Packing
• Minimal Interior Drone - Aggressive Sound
• Polished Stainless Steel Slash-Cut Tips
• Incl. Hardware/Factory Style Hangers For Easy Bolt-On Install
• Lifetime Limited Warranty