The pulleys are not hard to install, But you will need a tune or retune.. I got all my parts from Auto Anything- Which came strait from Vortech, An my Stillen Warrenty is up in DEC but now is VOID, Becasue I upgraded the SC, But Vortech warrties it for 1 year from now. I Blew Stillens warrenty with custom tune anyway.. But really I only pick up 40 WHP on Stillens tune and pick up 72 more with the custom tune, Total was 114 WHP total is what I picked up from my NA bolt on # of 298 WHP !
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda,
