Originally Posted by ITR41

screw 550's and SFP manifold. get the inline pro manifold, head gasket and block gaurd. find some DSM 450cc injectors and use a cartech FMU and missing link. you can run 15psi or so on that set up on pump gas(east coast) and up to 22psi on race gas with good tuning. the inline pro guys don't believe in stand alones so they use that on there cars. the proof is in the performance. on stock internals stan from inline pro trapped at 128mph and 22psi at the track and most guys who run this set up on a good tune are runnin fast enough to need a scatter shield (11.99 or better). I am goin to run this set up for the rest of summer. I am hoping for 114-117mph traps on my stock exhaust. I will keep you updated but it does work and work well