Big Gun 05-14 Yamaha Raptor 700 Power Box - 40-R57A

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...

Big Gun 05-16 Suzuki King Quad 450 Power Box - 40-R56A

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...

Big Gun 05-17 Honda CRF 450X EVO R Series Full System Exhaust - 10-1553

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...

Big Gun 05-17 Honda CRF 450X EVO R Series Head Pipe - 10-1551

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...

Big Gun 05-17 Honda CRF 450X EVO R Series Slip On Exhaust - 10-1552

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...

Big Gun 05-23 Yamaha TTR 230 EVO R Series Full System Exhaust - 09-2223

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...

Big Gun 06-07 Can-Am Outlander 800 EVO U Series Slip On Exhaust - 12-6802

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...

Big Gun 06-07 Can-Am Outlander MAX 800 HO/XT EVO U Series Slip On Exhaust - 12-6812

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...

Big Gun 06-08 Arctic Cat 400 AUTO 4x4 FIS ECO Series Slip On Exhaust - 07-1242

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...

Big Gun 06-08 Arctic Cat 400 AUTO 4x4 FIS EXO Stainless Slip On Exhaust - 14-5682

We've taken our world-class EXO Series and made it even tougher. The EXO Stainless Series is the most durable exhaust in our lineup. Constructed of high-strength 304 stainless steel from front to...

Big Gun 06-08 Arctic Cat Prowler 650 Rev Box - 40-R30A

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...

Big Gun 06-08 Honda CRF 450R EVO R Series Full System Exhaust - 09-14513

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...