You are purchasing 100% Brand New: Performance Donut Style Graphite Downpipe Gasket for Universal Downpipe to Catback Flange EPCGQ52 Exhaust Header Pipe Test Graphite Donut Gasket, 2" (51mm) / 2.25" (58mm) / 2.5" (65mm) / 2.75 " (70mm) /3" (76mm). These exhaust flange gaskets will help seal unwanted exhaust leaks. Donut gasket constructed from graphite composite that allows for crushing when the bolts are tightened for a complete seal to prevent leaks .Compatibility: Universal fit aftermarket headers and exhausts.The exhaust pipe sits on the end with a flared header pipe, this gasket will fit over it to seal/connect to the exhaust or header. Specifications: Picture Part No. Outer Diameter Height EPCGQ52-20 2" (51mm) 65( 1) mm 16( 2)mm EPCGQ52-225 2.25" (58mm) 72( 1) mm 16( 2) mm EPCGQ52-25 2.5" (65mm) 83( 1) mm 17( 2) mm EPCGQ52-275 2.75" (70mm) 85( 1) mm 17( 2) mm EPCGQ52-30 3" (76-80mm) 91( 1) mm 17( 2) ) mm Features:* Multi-layer graphite seals* Helps ensure proper; Tight Seal* Suitable for high temperature performance Multi-layer graphite gaskets help provide a proper, leak-free seal to your 2 bolt, 3 bolt or 4 bolt flange connection. Performance was founded in 2000 to design and manufacture exhaust components and induction for Sport Compact For any inquiries or special requests such as larger order, please email us * No installation tool and no instructions, professional installation is recommended * * Measurement error 1mm All items are brand new unless otherwise stated on auction. We sell DIY (do it yourself) items with a few exceptions. We are not responsible for teaching you how to install. Professional installation is recommended.