Big Gun Exhaust Rev Box CDI Unit for 1992-08 Yamaha YFM80 models - 40-R28 MPN_25-2057 Items Included (1) Chrome steel

Items Included (1) Chrome steel front headpipe W/black steel heat shield

1993 Suzuki GSX-R600W

2015 Polaris Scrambler 850 HO

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Big Gun Exhaust Rev Box CDI Unit for 1992-08 Yamaha YFM80 models - 40-R28 MPN_25-2057 Items Included (1) Chrome steelBig Gun Exhaust Rev Box CDI Unit Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty 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.