The system utilizes the factory transition pipe between the cats and the muffler so that it will fit all cab and bed configurations. This system comes with a bright chrome on T-304 stainless steel tip. The 140801 Cat-Back? 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 a uniquely designed muffler to give you the best sound without drone. And as you would expect it is covered by the Borla? Million-Mile Warranty.