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Originally Posted by the_fallen
thing is, both mine and dads run 3" exhausts :S but dads is running a bit more than 12psi  |
i know i can generate more than 12psi the trouble is getting the engine to take it with out fco, right now i can't get more than 10+ lbs , used to be only 9 but somehow after fiddling with things i get 10+ now . maybe this winter i'll do the lexus/550 swap