Motorcycle Exhaust Pipe Modified Tropical Glass Fiber Heat Protection Auto Parts Heat Wrap Manifold Insulation Roll Resistant Motorcycle Exhaust Pipe Modified Tropical Glass Fiber Heat Protection Auto Parts Heat Wrap Manifold Insulation Roll Resistant Soak the head heat pack in water before installation so the fiberglass does not splash. Please wear gloves to avoid itching. Wrap it around the exhaust pipe, use overlap to hold it in place, just use stainless steel to hold the tail end in place. Exhaust heat packing tape can withstand 1800F straight / 2500F radiant heat. A hot pack reduces heat under the hood by 50%. Heat shields protect drivers and mechanics from burns and improve car and motorcycle performance. _x000D_