I dont get why we need dynos. Most buy for the sound. No exhaust is gonna give you more than about 15whp, and if you think about if someone is buying an exhaust for the HP, the money would be better spent on other parts.
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2016 Alpine White M3 (gone)
2019 Alfa Romeo Guilia (Totaled)
2020 Car-less 😁 (no more)
2020 M340
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