By adjusting timing with a flash tune it is possible to drive the DME to focus on really aggressive timing and experience the knock sensors. The inventory DME with the piggyback simply is not going to make it possible for that to occur. In this case, the flash tune with https://bmw-ecu-validation-servic30931.bloggosite.com/36515267/helping-the-others-realize-the-advantages-of-dodge-challenger-ecu-location