MBRP Exhaust S5018AL Installer Series Cat Back Dual Split Side Exit Exhaust System Features: Improved Torque And Horsepower Lower Exhaust Gas Temperatures Increased Throttle Response Mellow Exhaust Note Bolt On Design Utilizes OEM Hangers Stainless Steel Tips Are Included Lifetime Warranty Height: 10.00 Width: 16.00 Length: 46.00 Weight: 58.00 lbs Fitment: CHEVROLET 2003 - 2007 SILVERADO 1500 V8 5.3 N GAS Extended Cab Short Bed; Crew Cab Short Bed 2003 - 2007 SILVERADO 1500 V8 4.8 N GAS Extended Cab Short Bed; Crew Cab Short Bed GMC 2003 - 2007 SIERRA 1500 V8 5.3 N GAS Extended Cab Short Bed; Crew Cab Short Bed 2003 - 2007 SIERRA 1500 V8 4.8 N GAS Extended Cab Short Bed; Crew Cab Short Bed