Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Frount Mount Intercooler--- Boost Is Low???????

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Old Apr 18, 2008 | 10:11 PM
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Car Info: 2006 STI
Question Frount Mount Intercooler--- Boost Is Low???????

Just curious. I recently swapped sti tmic for a fmic with hopes of getting a larger turbo later. I am not hitting targeted boost in a 4th gear roll. The car is AP Stage 2, but I am assuming that now i will need to go get tuned for the fmic. My concern is that will this bring my boost back??
Thanks for the input...
Old Apr 19, 2008 | 12:28 AM
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how much lower is it hitting?
slapping on a larger FMIC with a few ft of extra piping w/out a proper tune should lower the max PSI a little, since the turbo is still hitting its target boost but just pushing through a larger core and more piping.
like blowing through a straw, but just 2 ft long
of course you get less on the other end
IMHO get it tuned ASAP
Old Apr 19, 2008 | 06:58 PM
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you need a tune man
Old Apr 19, 2008 | 07:09 PM
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Originally Posted by bmxhotsauce
you need a tune man
DEFINITELY. Stage 2 is for a turboback. That doesn't mean a turboback+anything else
Old Apr 20, 2008 | 09:26 PM
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Thanks

Called Paul at DB Tuned and its going in in 2 days to get tuned. Thanks for the input...
Old Apr 21, 2008 | 12:20 AM
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Car Info: 2003 PSM WRX, 80 Brat ready for Chevy 350 Swap.
to bad u arent gunna be there today.. lol.. i will be there...
Old Apr 22, 2008 | 08:48 AM
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i think thats a good decision
good luck on the tune
you wont be dissapointed
Old Apr 25, 2008 | 11:07 AM
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Got Tuned

Got Tuned at DB TUNED in Roseville, CA... Paul is very good at what he does..Nothing but good things to say about the man, tune and the place.....
Old Apr 28, 2008 | 05:30 PM
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Thank you.

Either get a bigger turbo or a TMIC....you'll be
Old Apr 28, 2008 | 10:13 PM
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Congratulations I'm happy to hear you got a tune after
your FMIC.
Paul is a great guy to deal with!
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