Vibrant 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.

• Features a Braid Liner to help eliminate exhaust "whistle"
• Recommended for Naturally Aspirated applications
• Custom sizes available upon special request