Diablo Programmer 03-05 gm trucks.. $225 For Sale Diablo power programmer.... For 03-05 and 04 corvette... Has three settings for power Diablo tune, Factory tune, and 87 octane tune. Give your truck more power and little better mileage. Also can run trouble codes and clear codes. Works great... need money... bought new for $390.... U can take it for 240 shipped. email me for pics @ email@example.com , or pm me.