Give your Ford Super Duty Powerstroke, Dodge Ram Cummins, or Chevy Silverado/GMC Sierra Duramax or any vehicle equipped with a 4" exhaust tail pipe a bold look with the Sinister Diesel Dual Wall Exhaust Tip. We make every Sinister Diesel dual wall exhaust tip from corrosion-resistant stainless steel for durability and long life. This dual wall 4" to 6" diesel exhaust tip fits any 4" tailpipe and gives you a larger 6" outlet with a angle cut edge. This diesel exhaust tip is also protected with a high-quality black ceramic coating that hides unsightly soot and truck a clean and powerful look. We give each exhaust tip a finishing touch with an eye grabbing riveted on Sinister Diesel logo on the side.