GET OUR NEW AND IMPROVED HEADER WRAP

Sold in 1 foot units

This exhaust wrap will withstand temps up to 425f degrees before deterioration.

2Cycle engines need exhaust back pressure to act like a exhaust valve in a 4 cycle engines.
The expansion chamber does exactly that by controlling the engine exhaust pulse created by the combustion. Exhaust leaks are the enemy of 2 cycle engines. The engine needs a constant pulse to trigger the proper reverse pulse after combustion. Air leaks in the exhaust feeds an irregular pulse to the combustion chamber, causing confusion to air fuel mixture and uneven RPM rang