Big Gun Exhaust Rev Box CDI Unit for 2005 Honda CRF250R - 40-R24 MPN_VTK22926B-1 2009 Honda TRX500FPE Foreman ES

2009 Honda TRX500FPE Foreman ES 4x4 w/Power Steering

2007-13 KTM 105 SX

2015 Polaris RZR 1000 - All

2013 Arctic-Cat 700 4x4 LTD

longer than stock (overall lengths given)

Big Gun Exhaust Rev Box CDI Unit for 2005 Honda CRF250R - 40-R24 MPN_VTK22926B-1 2009 Honda TRX500FPE Foreman ESBig 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.