Big Gun

If 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...

The Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep...

Packing is one of the most important elements of your exhaust. All Big Gun™ mufflers are packing-style mufflers, which means they eventually require maintenance. Ensuring you have an appropriate...

With its deep and throaty tone, the EVO U series surely doesn't disappoint. Designed specifically for utility ATV's, sport utility ATV's and Side x Sides, the EVO U series is not for the faint of...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep...