Big Gun 03-04 Polaris Predator 500 Rev Box 2021-audi-s4-premium-esi3629595 Trail performance strut spacers

Trail performance strut spacers

EPA Compliant Catalytic Converters

Rather than throwing the filter away

add noticeable performance gains and sound tremendously better than stock

Big Gun 03-04 Polaris Predator 500 Rev Box 2021-audi-s4-premium-esi3629595 Trail performance strut spacersIf 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