Big Gun TFI Power Box for 2008-13 Arctic Cat 550 / 700 Models - 40-R50E 2007 Polaris Sportsman 700 X2 EFI (1) #65 Starter jet

(1) #65 Starter jet

1997 Polaris Xplorer 300

1973 Arctic-Cat Cheetah 440

Fitments 1993 Yamaha FZR1000

2013 Polaris Ranger 800 Crew

Big Gun TFI Power Box for 2008-13 Arctic Cat 550 / 700 Models - 40-R50E 2007 Polaris Sportsman 700 X2 EFI (1) #65 Starter jetBig 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