The Power Pup Downloader is a programmer / tuner that downloads horsepower and performance enhancing programs into '03-'07 Ford Power Stroke with a 7.3L V8 diesel engine in one SKU (stock keeping unit). The downloader offers up to three different Engine Tunes above stock to accommodate various driving conditions.

Stock: Choosing the Stock engine tune will result in no change to engine horsepower output. All other downloader features can still be accessed if the Stock engine tune is chosen.

Tow: This engine tune is recommended for use while towing, it is a mild tune that increases performance by 40 to 50 horsepower. This is the only tune that we recommend you tow with other than stock.

Performance: This engine tune will yield up to 75 extra horsepower. Pyrometer and boost gauges are highly recommended while using this tune.

Performance: This engine tune will yield up to 75 extra horsepower. Pyrometer and boost gauges are highly recommended while using this tune.

Extreme: This engine tune ill yield up to 120 extra horsepower. Pyrometer and boost gauges are highly recommended while using this tune.

Works on all Ford PowerStroke engines from 1999 to 2003 with the 7.3L