Big Gun TFI Power Box for 2012-15 Arctic Cat Wildcat 1000 Models - 40-R50D 2006 Yamaha YFM400 Big Bear 2003 Husqvarna WRE125

2003 Husqvarna WRE125

2000 Arctic Cat ZR 600 2K

1990-93 Yamaha Exciter 570 ST SX

1980-81 Arctic Cat El Tigre 6000 L/C

Big Gun TFI Power Box for 2012-15 Arctic Cat Wildcat 1000 Models - 40-R50D 2006 Yamaha YFM400 Big Bear 2003 Husqvarna WRE125Big 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