Big Gun TFI Power Box for 2015-22 Polaris Sportsman 1000 XP models - 40-R54N 2004 Harley-Davidson Road King Custom Injected - FLHRS I 1990 Harley-Davidson Sport Glide -

1990 Harley-Davidson Sport Glide - FXRT<

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Big Gun TFI Power Box for 2015-22 Polaris Sportsman 1000 XP models - 40-R54N 2004 Harley-Davidson Road King Custom Injected - FLHRS I 1990 Harley-Davidson Sport Glide -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