Dress up your 4" or 5" exhaust on your diesel truck with the Sinister Diesel Black Ceramic or Polished Stainless Steel Exhaust Tip. Adding an exhaust tip can drasticallty change the overall look of your truck for very little money. These exhaust tips are constructed from high quality corrosion resistant 304 stainless steel and is available with either a mirror polished or black ceramic coating finish. Each tip has a built in clamp for an easy installation.