Big Gun Exhaust 40-R57J TFI Power Box

Big Gun Exhaust 40-R57J TFI Power Box

This product is not ARB / CARB compliant and cannot be sold in the state of California

• 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

Big Gun Exhaust 40-R57J Fitment:

• Yamaha Wolverine X2 / R-Spec (2019)
• Yamaha Wolverine X4 (18-19)

This product is not ARB / CARB compliant and cannot be sold in the state of California

• 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

Big Gun Exhaust 40-R57J Fitment:

• Yamaha Wolverine X2 / R-Spec (2019)
• Yamaha Wolverine X4 (18-19)