Features: This exhaust pipe gasket is designed to seal the exhaust systems and enhances the efficiency of your engine. Make of stainless steel, Rustproof, corrosions resistant, enduring and sturdy, ensures long terms use. Our exhaust flange connection kits is widely used for exhaust, turbocharger, silencers, intercooler and other equipment piping connection. Each gasket is precisely machined to ensuring a fast and simple installation process. After using modified exhaust pipe interfaces gasket flange gasket, it can effectively reduce exhaust resistance and improve engine power output. Specifications: Component: Stainless Steel Type: 2inch/2.5inch/3inch 2inch Hole Inner Diameter: about 5cm/1.97inch 2.5inch Hole Inner Diameter: about 6.35cm/2.5inch 3inch Hole Inner Diameter: about 5cm/3inch Package Includes: 2Pcs Exhaust Downpipe Flange note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.