Size: 2 "2.25" 2.5 "3" What will you get in the box? -1x automotive exhaust manifold gasket Our product advantages: -Made of high-quality materials, including graphite structure, ceramics, and metals -Has good insulation and high temperature resistance, durable and long-lasting -Excellent sealing properties help prevent exhaust leaks between cast iron exhaust manifolds and automotive exhaust pipes -Helps prevent engine vibration from transmitting up and down to car sound. Can effectively reduce system temperature and ensure long-term stable operation of sealed silencers -Easy to install, DIY can save valuable time and money -Provide a variety of sizes of exhaust flange gaskets for you to choose from, suitable for various sizes of automotive exhaust pipes -Provides car owners with more choices without worrying about compatibility issues