exhaust issue
#1
exhaust issue
I just recently purchased a 93 300zx that had a K&n high flow air filter and an after market exhaust. The left exhaust pipe is putting off much more pressure than the right 1, a very noticeable difference, which seems to be causing a loss of power. originally, due to what a friend told me, i thought it was because it didnt have a dual intake, but ive recently learned that u only need a dual intake if u have over 400 hp and that the k&n is pulling more air than the stock duals were. there does not appear to be any kind of exhaust leak, and the pipes seem to be done correctly, no t piping and appears to be a true dual. im at a loss here. anyone got any ideas what the problem could be?
#2
Do a compression test... and are you certain all 6 cylinders are firing? Search for how to track a misfiring cylinder and make sure none of them are misfiring. The loss in exhaust pressure isn't causing your poor performance... your poor performance is causing the loss of exhaust pressure.
#3
don't know how i never noticed it before, but the hose conected to either the pcv or egr valve, dont know which 1 it was, was disconnected. hooked it back up, everything is fine now. didnt think that would make that much of a difference tho...
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