Big Gun 40-R50E 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.

Vehicle Fitment:

2012 Arctic Cat 550
2014 Arctic Cat 550
2009 Arctic Cat Prowler 550
2011 Arctic Cat Prowler HDX 700
2012-2013 Arctic Cat Prowler HDX 700i
2010-2011 Arctic Cat Prowler XT 550
2012-2013 Arctic Cat Prowler XT 550i
2009 Arctic Cat Prowler XT 700
2010-2011 Arctic Cat Prowler XTX 700
2009-2011 Arctic Cat Prowler XTX 700 H1 EFI
2008-2009 Arctic Cat Prowler XTX 700 LE
2012-2013 Arctic Cat Prowler XTX 700i