Big Gun Exhaust Rev Box UNLIMITED - 40-R03 Head Pipe phone calls

phone calls

2012-2013 Honda TRX500FE1 FourTrax Foreman 4x4 ES

Part Number: SFR-01

1968-2016 Honda CRF80F

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Big Gun Exhaust Rev Box UNLIMITED - 40-R03 Head Pipe phone callsREV BOX If you are looking to swap out your stock CDI box, the Big Gun Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve. The Big Gun Rev Box is offered for various offroad MX and ATV models. Features Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty Fitment 1968 2016