Vibrant SS Flex Coupling with Inner Braid Liner 2.25in inlet/outlet x 4in flex length 1501 These seals commonly leak and

These seals commonly leak and it's standard practice to replace them when servicing the front right axle

and auto-dimming functionality

264° street/drift performance cams

Dual Port and Supersonic blow off valves

Vibrant SS Flex Coupling with Inner Braid Liner 2.25in inlet/outlet x 4in flex length 1501 These seals commonly leak andVibrant Performance Standard Flex Couplings with Inner Braid Liner provide smooth flow while retaining flexibility in the coupling itself. The Inner Braid protects the Bellows from premature failure due to high temperature exhaust gas exposure, and is ideal for eliminating whistling caused by high velocity flowing media.