This BORLA system utilizes the factory transition pipe between the cats and the muffler so that it will fit ALL Cab and Bed configurations. EXCEPT vehicles with Dual Rear Wheels. The 140851BC Cat-Back System compatible with by BORLA is made to give you the best performance, sound and durability possible. It utilizes high quality T-304 stainless steel, superior to T-409, for durability, mandrel bent pipes for high flow, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. The uniquely designed muffler provides the classic BORLA S-Type sound without drone. This system comes with a 5" black chrome on T-304 stainless steel tip. A system with bright chrome on T-304 stainless steel is also available. And as you would expect it is covered by the BORLA Million Mile Warranty.