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murphy · 2007-04-14, 02:38 PM

Ok I need a pretty fast answer on this STI owners...05 sti..with 3 inch HKS Turbo back (no cat)..throwing a cel...(I know its because of the no cat) what I want to know is are the 05 sti's prone to over boost with that set up? and what does the ecu do? IE send car into limp mode. also what is a fix for the over boosting problem..If I remember right stock boost is 14.2 psi...but what does it taper down to?
ONE more...where would be the best place to tap into for a boost gage?..off the manifold on the left, back side next to Throt. body or "T" off the fitting on the turbo?

2007-04-14, 02:38 PM	#1
murphy EJ22 Join Date: Jun 2004 Location: RENO Posts: 484 Car: 03 evo, 06 R6	05 sti CEL? Ok I need a pretty fast answer on this STI owners...05 sti..with 3 inch HKS Turbo back (no cat)..throwing a cel...(I know its because of the no cat) what I want to know is are the 05 sti's prone to over boost with that set up? and what does the ecu do? IE send car into limp mode. also what is a fix for the over boosting problem..If I remember right stock boost is 14.2 psi...but what does it taper down to? ONE more...where would be the best place to tap into for a boost gage?..off the manifold on the left, back side next to Throt. body or "T" off the fitting on the turbo?