Bully Dog Power Pup Downloader 43568 01-06 GM Duramax

The Power Pup™ Downloader is for those looking for more power for towing and performance, or for the extreme driver looking to decrease their time in the quarter mile. The Power Pup™ increases horsepower and torque by re-flashing the vehicles Engine Control Unit (ECU). Installation takes place in-cab by plugging the Power Pup™ into the OBDII port. The Power Pup™ gives the user the choice between four different power program. The Power Pup™ retains the stock program so that the truck can be put back to the original settings if the need arises. The Power Pup™ will also allow users to remove the speed limiter and also contains the ability to adjust for tire size, raise the rev limiter and checks as well as erases trouble codes. Application: 2001-2006 GM Duramax