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Big Gun TFI Power Boxes are the trick for any fuel injected vehicle. Not only do these units allow for better power but they supply the proper fuel needed to go fast and keep your engine happy. These units are designed to make for adjusting very simple with the push of a button you can simply adjust for more or less fuel in any part of the power range you feel you need.

• Increase horsepower
• Improves throttle response
• Installs in minutes
• New 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