Give your truck a more aggressive look with this Sinister Diesel black exhaust tip. It has a simple, aftermarket appearance that will make your Powerstroke, Cummins, or Duramax truck appear more customized. This is a quick and easy way to upgrade the looks of your truck. The Sinister Diesel logo stamped on the side subtly lets everyone know of your discerning tastes., This Sinister Diesel black exhaust tip is made of durable and corrosion - resistant 304 stainless steel with a black ceramic coating. It fits any 4 - inch tailpipe, expanding to a 5 - inch opening with a rounded edge. The one - step clamp - on installation requires only hand tools and no modifications to your truck., Features4 Inlet 5 Outlet 12 Legnth, Black Ceramic Coating, 304 Stainless Steel Construction, Single Wall Construction with Rolled Outlet Edge, Simple 1 - Step Clamp - On Installation (No Welding Required).