Good numbers, But the 9PSI pulley from Stillen is the (Stock kit pulley) With the impeller pulley from 928 you should have seen see better numbers looks like Motion Lab fixed it, Your first numbers where exactly like mine and I do not have the impeller upgrade? :/.
Are you a auto?
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda, 
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