Bully Dog performance for your gasoline powered GM or FORD truck

The GM Power Pup Downloader for all 1999 - 2006 full size GM vehicles with any of the following engines: 4.3L, 4.8L, 5.3L, 5.7L, 6.0L and 8.1 Liter. The Power Pup Downloader is a very simple instrument to operate. All operations take place inside the cab with the Power Pup hooked up to the OBD II Port.

The FORD Power Pup Downloader is a programmer/tuner that downloads horsepower and performance enhancing programs into '04-'06 Ford F-150s with either 4.6L or 5.4L V8 engines. The downloader offers two different engine tunes above stock to accommodate various driving conditions.

Remember to always keep the Downloader in your vehicle after you have downloaded a power program. You may need to change the power program or check and erase Diagnostic Trouble Codes (DTC's)

Note: Do not use this product in conjunction with any other electronic chip or downloader that is intended to enhance vehicle performance.

The power program must always be removed before taking the vehicle in for any kind of service, as it may interfere with diagnostic tools used by your dealer.