Check the listing for details. 2 1/2 Inch Inlet 4 Inch Outlet Exhaust Tip Single Layer Straight 304 Stainless. Color: Stainless Steel, Condition: New. Listed at 51.61 USD. Fits: 2 1/2'' Inlet, 4'' Outlet, 9'' Long Exhaust Tips. To ensure proper fit make sure your exhaust INLET diameter is 2.5 Inch. The size of the inlet is an important factor in determining whether the product matches your exhaust pipe. Before purchasing this product, be sure to measure whether the outer diameter of your exhaust pipe is consistent with the size of the inlet of our product(2 1/2 inch).Package Includes: Pack of 2 blue exhaust tips(2.5 ID); Professional installation is highly recommended; No instruction includedFeatures: Weld-On installation and Single Layer-Straight Cut design Blue Burnt Exhaust Pipe with 2 1/2 inch Inlet.Materials: Vacuum plating blue process & Made of 304 Stainless steel has very strong anti-corrosive, Never Rusty.