im going to be getting the i4 RIPP headers that are suggested for the SDS ill be getting th SDS in about 6 months but i need the basic hi flow header and free flowing exhuast to do so along with other things i want to get. anyways what kind of power gains can i get from these header i now that they are supposed to do "24WHP" but i know that's bull$hit so if anyone has these header please tell me what i can expect from them, thank you.
