You are buying on 100% Brand New of: EPMAN Donut Style Graphite Exhaust Gasket For Motor Vehicle Acceories Universal Downpipe To Catback Gasket Flange EPCGQ52 Exhaust Header Test Pipe Graphite Donut Gasket,2"(51mm) / 2.25"(58mm) /2.5"(65mm)/2.75"(70mm)/3"(76mm) .These exhaust flange gaskets will help seal up unwanted exhaust leaks. Donut gasket constructed of graphite composite, which allows it to be crushed after the bolts are tightened for a complete seal to prevent leaks. Perfect for custom header welding applications.Compatibility: Universal ,fit aftermarket headers and exhausts.exhaust piping is at the end with a flared collector pipe, this gasket will fit over it to seal / connect to the exhaust or header.Specifications:PicturePartNo.Inner diameterOuter diameterHeight EPCGQ52-202"(51mm)65(1) mm16(2)mm EPCGQ52-2252.25"(58mm)72(1) mm16(2) mm EPCGQ52-252.5"(65mm)83(1) mm17(2) mm EPCGQ52-2752.75"(70mm)85(1) mm17(2) mm EPCGQ52-303" (76-80mm)91(1) mm17(2) mmFEATURES:* Multi-Layer Graphite Gaskets* Helps Ensure Proper; Leak-Free Seal* Suitable For High Temperature ServiceEpman Performance multi-layer Graphite Gaskets help ensure a proper, leak-free seal for your 2 Bolt, 3 Bolt or 4 Bolt flanged connections.Epman Performance was established in 2000 to design and produce Exhaust and Induction components for the Sport Compact For any inquiries or special requests such as larger amount ordering please write to us * No installation Tool & No instruction is Included, Profeional Installation is Recommended**Measurement Error 1mm All items are Brand New unle stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. We take no responsibility in teaching you how to install. Profeional installation is strongly recommended.