I have the 1.5 kit. Tried the 90, 88 & 85 mm pulley's. I got best results from the 88mm pulley. the 85 mm pulley seemed to lose top end power. I was remote tuning at the time of the changes , but the power was better overall/top end with the 88mm .
Final dyno tune by Dynosty- 479/360 to the wheels with the 88mm.
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