PN 3846 supports 8-speed transmission tuning only. The Flashpaq performance tuner is the number one selling tuner on the market for a reason. Flashpaq is powerful, easy to use, and adds a whole new element to your driving experience in just a few minutes. Now, Flashpaq supports 2015-2017 Ram 1500 5.7L Hemi engines with the 8-speed transmission. This support is delivered with the tried and tested PCM swap program that Superchips developed with ease and simplicity in mind. Superchips has found a quick and easy solution that makes tuning these difficult trucks a breeze as Superchips takes care of everything. Check out the details on the PCM swap options below and get your late model Ram 1500 5.7L tuned and running Superchips Equipped!