# Designed to enhance low to mid RPM power and increase tractability # Titanium maximizes stregth and minimizez weight FMF Hi-Flo headers are available in both single and dual port systems giving excellent weight savings combined with performance habits that help make every four stroke excel. This is one of the micest bolt-on power boosts that you can make to your engine. These are designed to enhance low to mid rpm power, which increases tractability and by maximizing exhaust and improving ergonomics. The Hi-Flo Header is a must have for the performance minded 4-stroke enthusiast.