4 ID EXHAUST TIP: 4 inlet diameter 6 outlet diameter 15 overall length, universal fits 4 outer diameter tailpipe. MATERIAL: Made of stainless steel to protect the existing tailpipe from corrosion and deformation. The Best 4 Inlet, 6 Outlet Exhaust Tips to Enhance Perforance However, welding is recommended. ➤ Installation: Easy and perfectly slip on 4 tailpipe. Diesel Exhaust Tips - Enhance Your Car's Performance A-KARCK 4" Inlet Exhaust Tip High quality stainless steel infused with anti-corrosive agents that prevent your tailpipe from rusting. Rolled edge angle cut, drainage hole, not easy to accumulate water and prevent rust. Exquisite black coating perfectly decorate your vehicle. Note Any problem, please feel free to contact us. ➤ Note: Please check as much as possible to make sure the item is the one that you need. Black coating prevents rain erosion. Bolt On Exhaust Tip Elbow Exhaust Tip, 4 Inch Inlet, 6 Inch Outlet, 23 In Overall Length, Chrome Turn Stainless Steel Exhaust Tip BOLT ON INSTALLATION: No welding or drilling is needed, just slide the tip into place on the tailpipe and tighten with a wrench.