Big Gun TFI Power Box for 2005-14 Polaris Sportsman 800 Models - 40-R54C 2009 Arctic Cat 700 4x4 SE These components maintain their tensile

These components maintain their tensile strength and torque retention in operating conditions of over 300ºF

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Big Gun TFI Power Box for 2005-14 Polaris Sportsman 800 Models - 40-R54C 2009 Arctic Cat 700 4x4 SE These components maintain their tensileBig 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