Design Engineering 010114 Speed Sleeves - Exhaust Heat Wrap Jackets, 4 and 6 Cylinder - Tan Serves as an insulator and radiant heat barrier Quick and simple installation Supplied wrap covers pipes up to 2-1/4" diamater Includes 8" wide exhaust wrap, lock fasteners and Locking Ties Includes 12 ft. of 8 in. wrap for 4 & 6 Cylinder