Gibson 14-18 GMC Sierra 1500 Denali 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Black Elite

The Gibson Black Elite Dual Extreme Exhaust system (MPN 65658B) is a cat-back performance upgrade designed for 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the 5.3L engine. This system is engineered to enhance both low-end torque and horsepower, with dyno-proven gains of 10-15 horsepower and 15-20 lb-ft of torque (between 1,800–3,000 RPM).

It features a Gibson Superflow Muffler with a baffled and chambered design, providing a deep, aggressive exhaust note while minimizing cabin drone. The system is crafted from mandrel-bent stainless steel tubing for maximum durability, corrosion resistance, and optimal exhaust flow. It exits behind each rear tire, offering an aggressive visual aesthetic.

Installation is designed to be effortless, utilizing factory hangers and clamps for a direct bolt-on process. This system is compatible with most factory bumpers. The product is proudly made in the USA and comes with a Lifetime Limited Warranty.