Whether you’re putting the finishing detail on a custom system or improving the style of stock pipes, a MagnaFlow Performance Exhaust Tip is always the perfect choice. MagnaFlow’s Single Wall Tips feature a Mirror Polished finish and Stainless Steel construction that will last 5 times longer than chrome tips. These super tough tips will continue to shine for years to come with a Lifetime Warranty against defects. PartNumber : mag35146 Description : Tip 1-Pk Bb 4.00 X 18 2.5 Id 45 Main Piping Diameter : 2.5 Material : Stainless Tip Type : Single Wall;Slash Cut Tip Diameter : 4 Tip Finish : Polished Tip Length : 18 Tip Material : Stainless Tip Quantity : 1 Tip Shape : Round Warranty : N/A Inlet Size (in.) : 2.50 Main Piping Diameter (in.) : 2.5 Material : Stainless Steel Outlet Size (in.) : 4 Outlet Type : Single Outlet Overall Length (in.) : 18 Position : N/A Shape : Round Slash Tip Diameter (in.) : 4 Usage : Automotive Inlet Inside Diameter (in.) : 2.50 Outlet Outside Diameter (in.) : 4 Tip Length (in.) : 18 Inlet Diameter : 2.5 in./63.5mm Title : Tips WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Outlet Outside Diameter : 4 Tip Type : Single Wall Inlet Inside Diameter : 2.500 in. Tip Length : 18.000 in. Exhaust, Mufflers & Tips::Catalytic Converter Universal