Fits 2021-2024 BMW M3 3in. Axle-BAck; Quad Rear Exit; T304 - S45033CF rocker-arms-and-parts The tunnel patch is constructed

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

7 V8 1977 - 1985 Chevrolet K10 305/5 V8 1981 Chevrolet K10 Suburban 1977 - 1978 GMC C25 305/5 V8 1979 GMC C2500 400/6

7L V8 1969 Chevrolet Biscayne 350/5

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

4 Outside Circumference (mm) (Belt): 1432 Top Width (in) (Belt): 1

Fits 2021-2024 BMW M3 3in. Axle-BAck; Quad Rear Exit; T304 - S45033CF rocker-arms-and-parts The tunnel patch is constructedTHE 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.