Exhaust Wrap - 100' is enough to wrap your header and your exhaust pipe or one of your fellow Spridget racers. header. By wrapping your header, you keep more heat in the header, which also helps the extraction of exhaust gases. Wrapping also keeps the engine compartment cooler for cooler air to your carbs, plus it will help the driver keep cooler. Also see EXW-200 for 50'.