The jb4 comes preloaded with custom tuning software and up to 8 maps for. I am looking for input regarding which piggyback or other control system to choose Jb4 takes away safety parameters that could be detriment to your motor overtime from what i’ve heard
Toyota Rav4 2013 | 3DTuning - probably the best car configurator!
A real unlock tune keeps the.
There are so many questions on adding a piggyback tuner to your car
Today we add a jb4 to a mk8 golf r, and will. With a jb4 you can change performance profiles or revert back to factory tuning in real time using your smart phone, and in some. Jb4 works great for me Not as good as a flash tune, but it definitely adds power if you're willing to mix with e85
Essentially, the piggyback tuner inserts (or splices) itself between the ecu and the sensors and changes the value that the ecu reads. I’m debating between buying a racechip or a jb4, the reason why i’m not getting a flash tune is because i don’t want to. Most recent models can be easily mapped but early models will require an aftermarket ecu or piggyback ecu to change the mapping.
