530702 Exhaust Muffler - 70 Series

The 70 series Big Block II muffler uses a longer 5 Inch X 10 Inch case for increased volume and added sound reduction that will still fit many applications that our wider 50 series Big Block muffler won't fit. It utilizes Flowmaster's patented delta flow technology for maximum efficiency and minimum interior resonance. The 70 series mufflers are perfect for high performance street cars, most Trucks, SUV's, RVs and tow vehicles that require quiet operation with improved sound. Features Shape - Oval. Inlet Position - Center. Inlet Diameter - 3 in.. Outlet Position - Dual. Outlet Diameter - 2-1/2 in.. Overall Length - 28 in.. Finish - Satin. Case Diameter - 10 X 5 in.. Color - Gray. Case Length - 22 in.. Material - Aluminized Steel. Wall Type - Single Wall. Internal Construction - Three Chambered. 1990-1993 Chevrolet C1500.