Hose is designed to direct air from front mounted air ducts to spindle ducts for brake cooling. Flexible, non kinking hose is Sold in 10 ft. lengths. 275 degree - 3" single ply thermoplastic rubber wall with a spring steel wire support. BlackPit Stop USA offers Allstar Performance 3" Single Ply Thermoplastic Rubber Wall Brake Duct Hose - 275 Degree Rated - 10 Ft. - Black ALL42150 at low everyday prices. Be sure to check out all of our products from Allstar Performance including Allstar Performance Brake Duct Hose.