Big Gun TFI Power Box for 2010-18 Yamaha YZ450F - 40-R61

Big Gun Exhaust 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

When installing an aftermarket exhaust, proper tuning is a must. The Big Gun Power Box is a plug-and-play fuel controller that allows you to properly tune your fuel injected motorcycle, ATV or Side x Side in just minutes. Installing a Power Box allows you to get the most out of your aftermarket exhaust and increases throttle response. A Power Box helps cure the lean issue that is run into when installing a higher-flowing exhaust and comes pre-programmed with a middle-of-the-road setting already into it, making it easy to install and go ride.

Notes:

• This product is not ARB / CARB compliant and cannot be sold in the state of California
• Image(s) shown may not represent the actual product sold for this vehicle, See "Fits" section for application indications (part shipped will fit applications indicated in description)