Quote:
Originally Posted by theDreamer
That engine still has missing info, from what we know the headers were put on the car but the system was never retuned which will cause problems when adjusting flow like that.
Headers can run with either SC kit, both neither company will guarantee better/equal whp numbers with short or long headers as the kits were never tested with those modifications.
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I would also assume ANY exhaust modification would have an impact on boost in the upper RPM ranges, though headers would be more of an impact than anything else.