Standard Flex Coupling w/ Inner Braid Liner, 3″ dia. x 4″ long by Vibrant Performance Vibrant Performance

Flex Dimensions —————Inlet Diameter 3″ I.D. Outlet Diameter 3″ I.D. Flex Length 4″ Vibrant flexible couplings are engineered to isolate vibration generated by your vehicle’s engine, thereby relieving stress on the exhaust system. Flex couplings reduce premature cracking of manifolds and downpipes and help extend the life of other components. The inner braid liner protects the bellows from premature failure and is ideal for eliminating exhaust “whistle”.