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 heart when it comes to raw power and sound. If you are...

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 and throaty tone is sure to make even a grown man feel...

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

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 compatibility, this plug-and-play module sharpens throttle response,...

EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful MX motors. The EXO Series is our ground-up approach at just that. A unique hexagon shaped aluminum...

Gibson Performance Slip on Muffler for the Kawasaki Teryx 750,/750EFI provides superb power and quiet operation. Gibson muffler features a louvered & chambered internal muffler core. No packing. Gibson has incorporated rubber mounting points and a...

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 compatibility, this plug-and-play module sharpens throttle response,...

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 and advances the timing curve.

The Big Gun™ Dura-Pak Packing Kit allows you to get more ride time, while cutting back on maintenance intervals. You'll get more than 3x the life, when compared to standard packing kits. All Big Gun mufflers are packing-style mufflers, which means they...

The Big Gun™ Dura-Pak Packing Kit allows you to get more ride time, while cutting back on maintenance intervals. You'll get more than 3x the life, when compared to standard packing kits. All Big Gun mufflers are packing-style mufflers, which means they...

Elevate your ride with the EXO R Series, a testament to our commitment to innovation in high-performance motocross motors. Designed for enthusiasts seeking power and reliability, this next-generation exhaust system features a striking hexagon-shaped...