Big Gun 99-04 Honda TRX 400EX Rev Box 2019-land-rover-range-rover-sport-hst-esi7250406 making the install process a

making the install process a breeze

Stainless Steel Rear Transverse Muffler For Premium Sound

This unit uses the Pro 5R media which is constructed of 5-layers of progressive cotton gauze to produce maximum flow

Work or on the go trips

Measured Flow: 760 CFM @ 7" H2O

Big Gun 99-04 Honda TRX 400EX Rev Box 2019-land-rover-range-rover-sport-hst-esi7250406 making the install process aIf 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