Thread
:
Stage 2 for Old Men?
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04-06-2013, 08:43 PM
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156
Ziggyrama
Scooby Specialist
Member#:
53665
Join Date:
Jan 2004
Chapter/Region:
NESIC
Location:
Northboro, MA
Vehicle:
2011 STI Stg2 w/ ELH
Focal 2way Active w/ DSP
Quote:
Originally Posted by
isotopesope
08+ wrxs have different BPV, TMIC, and IM than the STi. lots of plastic! i swapped my plastic BPV to remedy this
strange off throttle "squeak" i was getting between 3k to 2k.
i tried
modifying
my stock one first, but it only changed where in my RPM band the squeak was happening. others have had great success with the mod though.
Good point. I forgot WRXs get lots of plastic under the hood these days. IIRC, the WRX TMIC does not hold up well to higher pressures. It's probably a good idea to upgrade it for stage 2.
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