Fits 2021-2024 BMW M3 3in. Axle-BAck; Quad Rear Exit; T304 - S45033CF rocker-arms-and-parts 6L 8 1970 - 1979

6L 8 1970 - 1979 Pontiac Firebird Esprit 350/5

5 inch Engine Ford 7

The tunnel patch is constructed from 20-gauge cold rolled steel and is pre-rolled and tapered to accommodate most floor pans to fit a Tremec TKO 5-speed transmission

7L V8 1969 - 1970 Ford Mustang Boss 302 302/5L V8 1966 - 1968 Mercury Comet 170/2

Fits 2021-2024 BMW M3 3in. Axle-BAck; Quad Rear Exit; T304 - S45033CF rocker-arms-and-parts 6L 8 1970 - 1979THE ONLY EXHAUST YOU"LL EVER NEED MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. Its the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends.