COMPATIBILITY – Fits 2019-2019 Chevrolet Silverado 1500 LD; 2014-2018 Chevrolet Silverado 1500; 2019-2019 GMC Sierra 1500 Limited; 2014-2018 GMC Sierra 1500 GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes COMPATIBILITY -- Designed for 2014-2019 Chevrolet Silverado and GMC Sierra 1500; 143.5-in., 153-in. wheelbases; see product information for compatibility and engine specs COMPLETE SOLUTION -- Includes DynoMax Ultra Flo welded muffler, pipes, tip and clamps EASY TO INSTALL -- Direct-fit bolt-on pre-assembled solution with welded hangers, pipes and clamps for easy installation that doesn’t require specialized fabrication and/or welding IMPROVED FLOW CAPACITY -- 3-in. Stainless-steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power SUPERIOR PERFORMANCE -- Straight-through design ensures unrestricted exhaust flow and reduces back pressure; dyno proven to flow up to 1,800 SCFM PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone ENGINEERED TO LAST -- Muffler features stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability NOTES -- 4-in. Outlet double wall, buffed and polished stainless-steel slant cut tip Ultra Flo Welded Single Cat-Back System; 3.0 in. System; Incl. Intermediate Pipe; Ultra Flo Mufflers SS/Welded; Tail Pipe; Clamps;