This product is made of premium quality T304 stainless steel with Double Wall Construction can be directly welded on 3" diameter of stock pipe. 4" Quad Chrome Polished staggered outlets will add great performance sound and appearance for your vehicle. Wether you're looking for exhaust tip for cars, SUVs or trucks, NETAMI has you covered with a wide variety of sizes and styles to choose from. Please visit the NEATMI stores for more information.