rrm piggyback
Its too hard to predict the gain from a piggyback, mainly because every car reacts differently and needs to be specifically tuned. For example I bought my piggy from one of the members on here and he pre-tuned it for my mods but I felt minimal gains. However I never got around to bringing the car in and getting it properly tuned.
Well from what I remember I think its like around 10% gains? This is from the base tune that it comes with I believe so I'm not completely sure... I could be wrong though but I think I remember reading that on here a while ago though.


