Big Gun Exhaust Rev Box CDI Unit for 2006-08 Arctic Cat Prowler 650 - 40-R30A 2009 Aprilia Mojito 150 Custom 1978 Suzuki GS550

1978 Suzuki GS550

2013 Victory Ness Cross Country

Kits are available for both 2-stroke and 4-stroke applications

2014 - 16 KRF 800 Teryx 4

2003 Bombardier Outlander 400 H

Big Gun Exhaust Rev Box CDI Unit for 2006-08 Arctic Cat Prowler 650 - 40-R30A 2009 Aprilia Mojito 150 Custom 1978 Suzuki GS550Big 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.