Big Gun

Big Gun 14-21 Polaris SPORTSMAN 570 Power 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...

Big Gun 05-14 Yamaha RAPTOR 700 Power 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...

Big Gun 15-23 Yamaha YFZ 450R Power 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...

Big Gun Tfi Power Box Wolverine X4/R-Spec X2

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 08-09 Honda TRX 700XX Power 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...

Big Gun USFS Spark Arrestor Screen

From backwoods trails to the open desert, many riding areas require the use of a spark arrestor. Check your local laws and regulations to see if you need a spark arrestor, and if so, look no further...

Big Gun Exhaust Spring - Short

Big Gun exhaust springs are affordable and easy to store in a tool bag, storage compartment or in any tool box. You never know when or if you'll need a replacement, or if you need it to fix something...

Big Gun Exhaust Spring - Long

Big Gun exhaust springs are affordable and easy to store in a tool bag, storage compartment or in any tool box. You never know when or if you'll need a replacement, or if you need it to fix something...

Big Gun EVO R Turndown End Tip - Red

Turndown end tip replacement for your current style EVO R, S or U muffler. This end tip will not fit older style Big Gun mufflers like EVO X, EVO Race & EVO Limited One piece high-temp...

Big Gun EVO R Sideways End Tip - Red

Sideways end tip replacement for your current style EVO R, S or U muffler. This end tip will not fit older style Big Gun mufflers like EVO X, EVO Race & EVO Limited One piece high-temp...

Big Gun Vortex 2 Quiet Insert - 5in Long

The Big Guns Vortex Quiet Insert brings you the perfect blend of on-trail performance and quiet comfort. Designed to slip seamlessly into your Big Guns exhaust, the Vortex Quiet Insert dramatically...

Big Gun 08-16 Yamaha WR 250X/R EVO R Series Slip On Exhaust

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...