Agency Power Stainless Steel Header Mitsubishi EVO X 08+. Adding a high quality exhaust header is a great way to gain power for the EVO X. The Agency Power stainless steel exhaust header is constructed with quality in mind and the purpose of gaining power. Designed to be a direct bolt on part, the Agency Power header consists of larger more free flowing tubing.
Benefits from the header include faster spooling, more power and better heat exchange over the stock part.