G glen45 New member Feb 8, 2004 #1 need for speed is saying that they can achieve 18% more airflow by porting stock imrcs and using different screws that hold the butterflys in place? any comments? check their website.
need for speed is saying that they can achieve 18% more airflow by porting stock imrcs and using different screws that hold the butterflys in place? any comments? check their website.
