This product is made of premium quality T304 stainless steel with double wall construction can be directly welded on 2-1/4“ diameter of stock pipe. Dual 3 1/2" rolled edge Blue Burnt outlets will add great performance sound and look for your vehicle. Wether you're looking for exhaust tips for your cars, SUVs or trucks, NETAMI has you covered with a wide variety sizes and styles choose from. Please visit NETAMI store for more information.