The Flowmaster 40 Series Performance Muffler features a 2.5 inch offset inlet and a 2.5 inch center outlet, designed for universal fitment. This muffler has a 13 x 9.5 x 4 inch oval body, is 19.4 inches long, and constructed from steel with a black paint finish. The Original 40 Series is known for its aggressive sound and performance characteristics.








