Programming for all American cars: 1- Throttle response programming 2- Cut-off programming 3- Removal of cutoff programming 4- RPM cutoff removal programming 5- Timing programming 6- Popcorn programming (backfires) 7- Backfire programming 8- Deletion of catalytic converter codes (p420 p430) to turn off the check engine light 9- Removal of any error codes in the car 10- Fan programming (Contact via WhatsApp only)