For closed course competition use only Used for a single sided exhaust system except for Part # 014553 Improved bottom and mid-range power - Honda CRF250R (2025); Honda CRF250RX (2025)
The ultimate power boosterImproved bottom to mid-range powerLess susceptible to damage than a longer headerEffectively reduces sound output by as much as 1.5 dBRuns well with sound restricting...