Big Gun 93-06 Honda TRX 300EX Rev Box 2015-mitsubishi-lancer-ralliart-esi6104443 features our patent-pending filter-to-housing interface

features our patent-pending filter-to-housing interface and a clear sight window that allows for hassle-free filter inspection

WirelessAir(TM) can be purchased with peace of mind

5 Layers Progressively Finer Mesh Cotton Gauze Media

ON/OFF button on the case

This BBK Oil Separator Kit is CNC machined from solid billet aluminum

Big Gun 93-06 Honda TRX 300EX Rev Box 2015-mitsubishi-lancer-ralliart-esi6104443 features our patent-pending filter-to-housing interfaceIf 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