Big Gun Evo R KFX 450R
The EVO R series for the Kawasaki KFX 450R draws on Big Gun’s 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.
Big Gun Evo R KFX 450R Offers:
- Hard anodized oval shaped aluminum muffler
- TIG welded reinforced muffler bracket(s)
- 304 stainless steel mid pipe / head pipe
- Red powder coated stainless steel end tip
- Lighter than stock exhaust system
- Huge horsepower and torque gains
- Sleek muffler design allows for maximum clearance
- Removable screen-type spark arrestor included
- Handmade in the USA
- 1 Year Limited Manufacturer’s Warranty
- Fits 2007-2014 KFX 450R
Big Gun TFI Power Box
- Increases horsepower and throttle response
- Installs in minutes
- Third generation technology
- No computer needed to adjust EFI
- Plug-in technology (Does not interfere with stock ECU map)
- Integrated faceplate buttons provide easy adjustment
- Highly recommended for any EFI unit with aftermarket exhaust
- 1 Year Limited Warranty
The Power Commander 6 fuel injection tuning device allows you to optimize your fuel and timing curve. With fine tune adjustability and multiple inputs, the Power Commander 6 will keep your vehicle running at its full potential.
Big Gun Exhaust ships free!
