I will be taking out my WRX TMIC and replacing it with the STi TMIC to go along with my other mods currently on the car. my question is once the STi tmic is installed is it necessary to run STi splitter and shroud? basically will tehre be enough air flow with the wrx ones, or might it get too hot under there? Thanks in advance

 

It's "Better" if you have the splitter and shroud. How much is subjective.
You might need to get different hoses from the Turbo to intercooler and Intercooler to intake manifold.

There are some decent threads on NASIOC about this. Would definately look into it before you pull off the WRX TMIC.

Look through this thread:

http://forums.nasioc.com/forums/showthread.php?t=952204

I followed the recommended advice on the Hose Techniques Hoses and had no problems.

 

yea i have a y-pipe that came with the TMIC. i was hoping it was the STi ypipe, but i got a helix ypipe...hopefully it fits well.

btw thanks for link, reading up on it right now

 

HELIX y pipe and STi TMIC will fit fine. . .

 

also am i able to use OEM STi air splitter with OEM WRX hood scoop?

 

No, it will be too tall. You need a STi hood scoop to use the STi splitter.

 

then would using my stock splitter and scoop have enough air flow for a sti tmic

 

If you are installing a STI TMIC than
I would also go with a STI hood scoop because it is slightly taller
and will let more air in and make the STI TMIC more effective.

 

did u get this installed yet?

 

just got it installed and tuned today at GST.

 

u put out good numbers...

 

what year is your WRX?? the 06 hood scoop is the same size as the STI so it would work. According to subaru parts department they wont, even though the dimensions are the same. If anything go with a zero sports spliter.

 

i have an 04. currently looking for STi hoodscoop and splitter. unless splitter will work wiht my wrx hood scoop.

 

splitter will be too tall for the wrx hood scoop. you'll need the sti scoop.

 

i like my mini scoop heh..so what splitters would work with wrx scoop and will still be effective?