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If you are looking to swap out the 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.

ECO series is for the price-conscious rider that wants to get every ounce of power out of his/her motor but does not want to break the bank. Offered as only slip ons, the ECO series is affordable yet powerful. A cheap price does not...

BFGoodrich Mud-Terrain T/A KM3 32X10.00R15 NHS

BALLISTIC series is for the price-conscious rider that wants to get every ounce of power out of his/her motor but does not want to break the bank. Exclusively offered as Dual Full System for the Yamaha Raptor, the BALLISTIC series is affordable yet powerful....

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...

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 Gun Exhaust BALLISTIC series offers the best bang for your buck if you are looking for instant horsepower and torque gains. The BALLISTIC Series gives you a lighter and much better performing exhaust all while maintaining the same level of quality you...

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 of this KFX 90 EVO M...

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.

ECO series is for the price-conscious rider that wants to get every ounce of power out of his/her motor but does not want to break the bank. Offered as only slip ons, the ECO series is affordable yet powerful. A cheap price does not...

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 of this KFX 50 EVO M...

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.

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...

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....