Big Gun 08-12 Yamaha Raptor 250 Rev Box 2019-cadillac-cts-v-esi3333434 Laser cut 304 stainless steel

Laser cut 304 stainless steel header flanges provides superior sealing at the head surface

All Balls Racing 01-05 Yamaha YFM660R Raptor Air Filter

It is finished with specially-designed tailpipes – fashioned in The Akrapovic foundry – exiting on either side of the vehicle

Test vehicle: 1999 Fleetwood Pace Arrow Vision

The combination of carbon fiber airbox and included S-FLO Filter makes for a more aggressive intake note

Big Gun 08-12 Yamaha Raptor 250 Rev Box 2019-cadillac-cts-v-esi3333434 Laser cut 304 stainless steelIf you are looking to swap out your stock CDI box, the Big Gun Over 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. Easy direct plug in replacement to stock CDI box Increases overall RPM limit 6 Month Limited Warranty Advanced timing curve