I am installing a Stillen Supercharger on my car. Word on the street is (from Stillen) that installing headers and high flow cats is a bad idea. According to them their supercharger is designed to operate with a certain amount of back pressure and that by reducing that back pressure I will lose power that the supercharger added. So my question is, is this true? Does anyone have some solid experience with this?
I apologize if this question has already been asked but much like MC Customs, I don't have time nor the inclination to sift through all the crap.
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