Compatible with 2015-2020 Chevrolet Tahoe/ GMC Yukon 5.3L V8. This product is not created or sold by GM. Fits 2/4 wheel drive.; This Flowmaster FlowFX cat-back exhaust system for the 2015-2020 models with the 5.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow. This system exits out the side with dual 3.50-inch black stainless steel tips for added style and a custom look. Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.; FlowFX Series performance muffler offers an aggressive to moderate sound level and increased performance 3.00-inch to 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability Dual 3.50-inch black stainless steel tips add a custom look Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels FlowFX series muffler delvers a moderate sound level with increased performance