Thread: PLog/downpipe vs. lower-cost headers? (With cat.) Total cost, and ease of installatio

Originally Posted by J57ltr

Wait, lose power with headers? How so?

Jeff

i had 8 psi before headers, after the headers i was at 5.3 psi. headers flow better and will lower your boost. why you want to put a smaller pulley on once you got headers. or just drive it, you dont have to pulley down.