SSS ENHANCED CRF300 ECU
SSS Stage 1.0 upgrade kit . This kit is designed for stock exhaust system only 91 octane fuel compatible. SSS recommends 95 or 98 if available although. Eliminate low end surging and snatchy throttle on off . NOTICEABLE increase in HP . SSS STAGE 2.0 is suitable for use with either std exhaust or aftermarket Exhau