# Gibson 11-19 Chevrolet Silverado 2500 HD LT 6.0L 3.5in/3in Cat-Back Dual Split Exhaust - Aluminized For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions. Hassle Free bolt- on installation. No welding required. Backed by a Lifetime Limited Warranty. - Baffled/Chambered Muffler; No Internal Packing - Minimal Interior Drone - Aggressive Sound - Polished Stainless Steel Slash-Cut Tips - Hassle Free Easy Bolt-On Installation - Aluminized Mandrel Bent Tubing - Lifetime Limited Warranty - Superflow™ Muffler This Part Fits: Year Make Model Submodel 2015-2019 Chevrolet Silverado 2500 HD High Country 2011-2019 Chevrolet Silverado 2500 HD LT 2011-2019 Chevrolet Silverado 2500 HD LTZ 2011-2019 Chevrolet Silverado 2500 HD WT 2015-2019 Chevrolet Silverado 3500 HD High Country 2011-2019 Chevrolet Silverado 3500 HD LT 2011-2019 Chevrolet Silverado 3500 HD LTZ 2011-2019 Chevrolet Silverado 3500 HD WT 2015-2019 GMC Sierra 2500 HD Base 2011-2019 GMC Sierra 2500 HD Denali 2011-2019 GMC Sierra 2500 HD SLE 2011-2019 GMC Sierra 2500 HD SLT 2011-2014 GMC Sierra 2500 HD WT 2015-2019 GMC Sierra 3500 HD Base 2011-2019 GMC Sierra 3500 HD Denali 2011-2019 GMC Sierra 3500 HD SLE 2011-2019 GMC Sierra 3500 HD SLT 2011-2014 GMC Sierra 3500 HD WT ## Details - **Price:** 2346.97 CAD - **Vendor:** Gibson - **Type:** Catback ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2346.97 CAD | In stock | --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/gibson-11-19-chevrolet-silverado-2500-hd-lt-6-0l-3-5in-3in-cat-back-dual-split-exhaust-aluminized) > Updated: 2026-06-28