Big Gun 2003 Polaris Scrambler 90 Rev Box - 40-R10G

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 2004 Honda CRF 250R Rev Box - 40-R23

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 2004 Kawasaki KX 250F Rev Box - 40-R12

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 2005 Honda CRF 250R Rev Box - 40-R24

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 2008 Kawasaki Teryx 750 Rev Box - 40-R09A

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 2010 Honda CRF 250R Ballistic Series Slip On Exhaust - 08-1012

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...

Big Gun 2010 Honda CRF 250R ECO Series Slip On Exhaust - 07-1012

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 2010 Honda CRF 250R EFI EVO R Series Full System Exhaust - 09-12713

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 2010 Honda CRF 250R EFI EVO R Series Head Pipe - 09-12711

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 2010 Honda CRF 250R EFI EVO R Series Slip On Exhaust - 09-12712

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 2014 Polaris RZR XP 1000/RZR XP 4 1000 EVO U Series Slip On Exhaust - 12-7952

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 2014 Polaris RZR XP 1000/RZR XP 4 1000 Explorer Series Dual Slip On Exhaust - 15-7952

A top to bottom overhaul, this new premium series is built with purpose through performance ability and materials to withstand the harshest of conditions. Constructed from front to back with 304...