Description
Jones Exhaust F824 8D Full Boar Full Flow Truck Muffler 4 Inlet, 4 Outlet universal 7L V8 1987 GMC R1500 mounts and panels Improved Steering Response Includes SL 1957E 7L V8 1987 GMC R1500 High Sierra 305 5 # of Teeth 153 Balance Internal Brand B&M California Proposition 65 Chemical Name Cadmium and cadmium compounds California Proposition 65 Required Yes Crankshift Bolt Hole Count 6 Dual Pattern Yes Emission Code 5 IHRA Legal Yes NHRA Legal Yes Outside Diameter (in) 12