Give you truck that aggressive look you crave with this Sinister Diesel black ceramic exhaust tip. It provides the bold appearance of an aftermarket exhaust system, but without the cost. This tip will clamp onto exhaust systems for your Dodge Ram Cummins, Ford Powerstroke, and Chevy/GMC Duramax without any hassle, so you quickly get a larger exhaust outlet., Sinister Diesel makes this exhaust tip out of 304 stainless steel and applies a black ceramic coating, ensuring it resists corrosion. The Sinister Diesel logo stamped on the side is a subtle detail. Thanks to the clamp-on design, this ceramic exhaust tip clamps onto any 4-inch exhaust tip, providing a 6-inch wide outlet with rounded edges., Features:4" Inlet and 6" Outlet, Black Ceramic Coating, 304 Stainless Steel Construction, Single Wall Construction with Rolled Outlet Edge, Simple 1-Step Clamp-On Installation (No Welding Required), Universal Fit