When This can be total, I will probably be obtaining it tuned. First time I’ve noticed the time period ‘tuner’ right before, I’m guessing it’s a type of ‘off the shelf tune’ software package plug-in, Whilst tuning in a store by using a Dyno is more of a calibrated method? https://www.social-bookmarking.org/en/the-ultimate-guide-to-downpipes-for-bmw-m3-g80-maximize-performance