Big Gun 03-06 Kawasaki KFX 400 EVO R Series Full System Exhaust - 09-5473

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 03-06 Kawasaki KFX 400 EVO R Series Head Pipe - 09-5471

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 03-06 Kawasaki KFX 400 EVO R Series Slip On Exhaust - 09-5472

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 03-06 Yamaha Grizzly 660 EVO U Series Slip On Exhaust - 12-2462

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 03-06 Yamaha YZ 450F Rev Box - 40-R13

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...

Big Gun 03-07 Can-Am DS 650 Rev Box - 40-R04

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 03-07 Kawasaki KLX 400R EVO R Series Full System Exhaust - 09-5413

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 03-07 Kawasaki KLX 400R EVO R Series Head Pipe - 09-5411

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 03-07 Kawasaki KLX 400R EVO R Series Slip On Exhaust - 09-5412

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 03-09 Kawasaki KLX 110 Rev Box - 40-R14

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 03-09 Kawasaki KLX 125 EVO R Series Full System Exhaust - 10-5103

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 03-23 Kawasaki KLX 110/KLX 110L Evo M Series Black Out Full System Exhaust - 10-4123-BK

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...