ECU Tuning the Mazda 6 2.5L Skyactiv-G Engine by VR Tuned

Generally speaking, when you think of performance-oriented Mazdas, you think of the Miata, RX7, RX8, MS3, MS6, etc. Unfortunately, the modern Mazda 6 is not something that is often modified. What Mazda was able to do with the Skyactiv-G engine is quite impressive. While pretty much production car naturally aspirated gas engines have a compression […]