Vibrant Performance reinforced silicone couplers provide race-proven performance for high-temperature, high-boost applications! Constructed from hand-wrapped, 4-ply, high-grade silicone, these couplers feature superior temperature resistance rated for -65 degrees F to 500 degrees F. Vibrant Performance reinforced hose couplers are strong and reliable--they won't swell or burst under extreme conditions. Vibrant Performance offers these couplers in straight, transition, and hump styles in a variety of sizes and lengths to meet your fabrication needs.