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Old 07-18-2013, 05:05 AM   #1
amagana
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Member#: 320578
Join Date: May 2012
Chapter/Region: NWIC
Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default VF48 on 2003 WRX Bugeye

Just went stage 2 this summer as my summer project, but recently ran into quite a bit of money so I can do more builds.

Currently installed:
Full Invidia TBE
AEM CAI
ACT StreetLite flywheel
COBB AP Stage 2 tune

Looking to put in:
VF48 turbo
Perrin FMIC
Agency Power unequal headers w/ up pipe
Walbaro 255 FP
750cc injectors

Obviously get it tuned and everything, but I have a couple questions for those who may have gone along the same route.

1. Is the FMIC not necessary? I don't believe it is, but will significant HP gains be seen with it?
2. Will the FMIC clear the CAI?

Thanks in advance!
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Old 07-18-2013, 12:13 PM   #2
wrxlaunch
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Join Date: May 2008
Chapter/Region: MAIC
Location: MD
Vehicle:
99 SF

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A bigger intercooler is beneficial to the setup; fmic is less prone to heat soak...

Fitment issues... may want to check with manufacturer
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Old 07-18-2013, 01:40 PM   #3
CIATexan
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Join Date: Sep 2005
Chapter/Region: BAIC
Location: Freiburg, Germany
Vehicle:
2002 WRX Wagon
PSM

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You should be good with that setup, thats the route I'm planning on going. FMIC is kinda a waste though, get a fatty top mount and call it a day. I'm running a APS top-mount and i swear volume wise its bigger than most fronts!
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Old 07-18-2013, 01:42 PM   #4
CIATexan
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Join Date: Sep 2005
Chapter/Region: BAIC
Location: Freiburg, Germany
Vehicle:
2002 WRX Wagon
PSM

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Old 07-18-2013, 02:30 PM   #5
amagana
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Join Date: May 2012
Chapter/Region: NWIC
Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default

Quote:
Originally Posted by wrxlaunch View Post
A bigger intercooler is beneficial to the setup; fmic is less prone to heat soak...

Fitment issues... may want to check with manufacturer
Yeah I was planning on getting a bigger intercooler. I just didn't know if I would be okay with getting a bigger top mount, or if a FMIC would be necessary, or even more beneficial than a TM

So pretty much what I'm asking is how much better would a FMIC be rather that a TMIC with this set up.
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Old 07-18-2013, 02:42 PM   #6
RockRex
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I have '02 and recently installed- vf48, sti pinks, walbro 255, sti top mount, cobb dp, and 2.5in cat back with a pro tune. Car is completely different and fun to drive! Should of been this way from factory. Pulls to redline now. 270/265 on mustang dyno. Do it.
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Old 07-18-2013, 02:54 PM   #7
amagana
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Join Date: May 2012
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Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default

Quote:
Originally Posted by RockRex View Post
I have '02 and recently installed- vf48, sti pinks, walbro 255, sti top mount, cobb dp, and 2.5in cat back with a pro tune. Car is completely different and fun to drive! Should of been this way from factory. Pulls to redline now. 270/265 on mustang dyno. Do it.
So you're satisfied with the TMIC? Wouldn't think twice of getting the FMIC now? And how much did you pay for the sti TM, if you don't mind me asking?
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Old 07-18-2013, 03:32 PM   #8
H_wells3000
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Location: East Bay Area
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Sonic Yellow

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getting rid of that tiny td04 is the best decision you'll ever make. If you're going top mount, just heat wrap some hot stuff, and make sure you fab up a splitter to actually use the larger top mount!
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Old 07-18-2013, 03:53 PM   #9
RockRex
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This x2- "getting rid of that tiny td04 is the best decision you'll ever make."

And yes, top mount is fine at this power level. $275 off fellow NASIOC member. Make sure you get the compressor to y pipe elbow with purchase of top mount.
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Old 07-24-2013, 02:22 AM   #10
amagana
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Join Date: May 2012
Chapter/Region: NWIC
Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

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So I decided on getting a TM just because a FM would not clear the CAI and to keep turbo lag minimal. However, I am having some trouble deciding on which brand.

Perrin
TurboXS
ProcessWest

There's quite a bit of price difference between the 3, so I'm looking for people's opinions on anyone who is running these 3 such as fitment, gains, cons, etc.

Thanks guys!
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Old 07-24-2013, 02:24 AM   #11
amagana
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Join Date: May 2012
Chapter/Region: NWIC
Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default

Quote:
Originally Posted by CIATexan View Post
You should be good with that setup, thats the route I'm planning on going. FMIC is kinda a waste though, get a fatty top mount and call it a day. I'm running a APS top-mount and i swear volume wise its bigger than most fronts!
Where did you buy your FMIC from? And any pros, cons, fitment issues, piping, etc?
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Old 07-27-2013, 06:58 PM   #12
amagana
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Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default

Bump. Any help with guys getting aftermarket top mounts?
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Old 07-28-2013, 12:54 AM   #13
04ScoobyWtf
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Sti tmic should hold well if you don't plan on going bigger after and its half the price of the rest
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Old 07-28-2013, 12:56 AM   #14
amagana
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Join Date: May 2012
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Location: Washington
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2003 WRX
PSM Stage 2

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Thats the thing idk if I'm going to go bigger or not. I was looking at process west because I know they make really good products
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Old 07-28-2013, 02:13 AM   #15
rexblake
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Black

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Process west makes great tmic. If you plan on going larger turbo in the future, just buy a fmic. The "extra" turbo lag doesn't really exist. You have to figure, the air is moving so fast, it's not going to be a noticeable difference. However, when I switched it went from a slow steady climb to full boost to nothing nothing full boost. Hit full boost the same rpm, just got there differently.
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Old 07-28-2013, 03:35 PM   #16
amagana
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Join Date: May 2012
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Location: Washington
Vehicle:
2003 WRX
PSM Stage 2

Default

Quote:
Originally Posted by rexblake View Post
Process west makes great tmic. If you plan on going larger turbo in the future, just buy a fmic. The "extra" turbo lag doesn't really exist. You have to figure, the air is moving so fast, it's not going to be a noticeable difference. However, when I switched it went from a slow steady climb to full boost to nothing nothing full boost. Hit full boost the same rpm, just got there differently.
For right now I'm going to stick to the VF48 just because I don't want internals to starts breaking with a larger turbo since I'm in college haha. A TM should be fine then since its cheaper than a front
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