DiabloSport - PCM-CHALV821 - Compatible with 2021 5.7L/6.4L Challenger

This unlocked DiabloSport modified PCM allows you to tune your 5.7L or 6.4L. In addition to this modified PCM, you will need a performance Programmer such as the inTune i3 or Trinity 2 in order to install a performance tune. Note: DiabloSport Modified PCMs are not compatible with other tuning brands at this time. NOTE: YOU MUST SAVE YOUR STOCK CALIBRATION WITH YOUR TUNING DEVICE BEFORE REMOVING THE STOCK PCM FROM THE VEHICLE. PLEASE REFER TO THE INSTRUCTIONS THAT COME WITH YOUR UNLOCKED PCM.