2"x50' Motorcycle Exhaust Heat Wrap Heat Shield Sleeve with Stainless Steel Zip Ties (Pack of 15) 1/16" x 2" x 50' Roll black fiberglass exhaust heat wrap wiht 11.8" locking ties(pack of 15). Fiberglass exhaust header wrap can create more horsepower and reduce under hood temperatures a realistic 50% . Durable, tight woven, easy heat shield insulation .One roll will wrap for one medium exhaust header , one meter for 1 Locking Ties. Read the instruction first when start to wrap it ,Wrap headers to protect plug wires,downpipes to increase velocity, motorcycle pipes to prevent leg burns etc Good for harley exhaust pipes insulation .Great improving car and motorcycle performance.