Feature 1Function: Exhaust pipe to pipe coupling is used to hold two exhaust pipes to restore performance of exhaust system, 2in ID to 2.1in OD. 2Reduce Noise: Exhaust pipe coupler is beneficial to reduce the exhaust resistance of the engine, increase the power, and reduce the exhaust noise. 3Excellent Sealing: With good sealing performance, exhaust pipe to pipe connector will hold two pipes precisely to prevent gas leakage. 4Long Lasting: The joint is made of high strength steel alloy, with high hardness, strong rust resistance, and can be used stably for a long time. 5Perfect Replacement: Professional manufacturing, this is your ideal option and replacement for your rebuild, repair, and maintenance needs.Item Type:ExhaustPipetoPipeCouplingMaterial: Steel AlloySize:2in / 51mm IDto2.1iin / 54mm ODApplication: Withgood sealing and durability, prevents gas leakage, effectively reduces noise generated during exhaust, and improves driving comfort.Applicable Model: Universal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 xExhaustPipetoPipeCoupling