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Old 03-28-2006, 12:00 AM   #51
txl146
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Here is final picture of USDM STi TMIC installed with all correct hoses. Notice how passenger side bolt is completely bolted.



STi hood scoop
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Last edited by txl146; 03-28-2006 at 12:06 AM.
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Old 03-28-2006, 03:25 PM   #52
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So a USDM STi IC will only work with a USDM Splitter AND USDM STi Scoop. Can I not get a USDM STi IC to work with the stock 04 Scoop?
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Old 03-28-2006, 03:47 PM   #53
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^^^ You can use the stock scoop and splitter if you like ... The only real difference is the physical size of the opening (save the fins to redirect air mo betta) on top of the IC ... The stock splitter is going to cut off a couple inches (passenger side) of the IC from direct cooling ... I don't know how great that would be ...
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Old 03-28-2006, 04:21 PM   #54
txl146
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USDM STi IC will only work with JDM splitter and JDM hood scoop on 02-03 WRX
USDM STi IC will only work with USDM splitter and STi hood scoop on 04+ WRX
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Old 03-30-2006, 11:18 PM   #55
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Quote:
Originally Posted by txl146
Here is final picture of USDM STi TMIC installed with all correct hoses. Notice how passenger side bolt is completely bolted.


these are the hoses with the metal sti pipe? which hoses from which website?

your first picture was a samco hose modified correct?
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Old 03-31-2006, 01:03 AM   #56
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these are new LONGER hoses... stock ones won't work because they are too short.

- if stock hoses are used, passenger's side bracket will not align correctly with a mounting tab on the intercooler. That's why you need longer hoses.

Last edited by txl146; 03-31-2006 at 01:31 AM.
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Old 03-31-2006, 07:39 AM   #57
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Quote:
Originally Posted by txl146
these are new LONGER hoses... stock ones won't work because they are too short.

- if stock hoses are used, passenger's side bracket will not align correctly with a mounting tab on the intercooler. That's why you need longer hoses.

yes i know and understand that you need longer hoses. my reading comprehnsion is not teh suck, its only stated throughout this thread a million times. but my questions are:

Are those pictures above the hoses with the stock STi Metal pipe on the back or just the two pipes from the wrx with the modified extender similar to the Samco hose setup?

like this

Stock STi pipe for all you n00bs


Above would require the 2" ID 90 degree hose just trimmed oh so slightly for a perfect fit.

For those of you looking for a part number on the STi Y pipe I believe it is 44104fe090 and from a dealer would cost about ~$300

Using the WRX setup


This would be done using modifided WRX Silicon Hoses (Samco, Vishnu, etc). Cutting them in half and then adding a coupler to the hoses to extend them.

both setups would require the use of the 2.75' ID 3" long throttle body hose.

Last edited by VipersEatLotus; 03-31-2006 at 09:00 AM.
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Old 04-05-2006, 06:12 PM   #58
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ViperEatLotus,

I have used WRX Samco hose and used a coupler to extend it.
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Old 04-06-2006, 01:35 AM   #59
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How well does the JDM splitter/shroud line up to the intercooler on an 02/03? Does the shroud seal well considering it is designed for a JDM intercooler that sits 17mm further forward? Are there any gaps, or do you have to try and align it as you close the hood (not sure that would be possible anyway)?

Just want to make sure everything lines up okay, I have had a USDM STi IC in my garage for 4 months now, and I want to get it on. Still trying to decide if I want to modify brackets or buy hoses.

Thanks

Also, I (will) have the same setup as you (Protuned VF-34 w/ USDM STi TMIC) how much boost are you running now with the Protune?
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Old 04-06-2006, 01:41 AM   #60
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WheelsCSM,

Will find out this Friday. Getting my car tuned by XX Tuning, CT.

I am still driving on WRX splitter and shroud. Will get a JDM one once weather hits 80's.
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Old 04-06-2006, 07:46 AM   #61
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Quote:
Originally Posted by WheelsCSM
How well does the JDM splitter/shroud line up to the intercooler on an 02/03? Does the shroud seal well considering it is designed for a JDM intercooler that sits 17mm further forward? Are there any gaps, or do you have to try and align it as you close the hood (not sure that would be possible anyway)?

Just want to make sure everything lines up okay, I have had a USDM STi IC in my garage for 4 months now, and I want to get it on. Still trying to decide if I want to modify brackets or buy hoses.

Thanks

Also, I (will) have the same setup as you (Protuned VF-34 w/ USDM STi TMIC) how much boost are you running now with the Protune?

Don't modify the brackets. You can't go back to a stock or aftermarket IC later.
Get new hoses and get the US Sti seal for your JDM splitter/scoop on your bugeye.
The US seal has the 17mm offset for a perfect fit.
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Old 04-09-2006, 03:12 AM   #62
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GDR, thanks for the information.
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Old 04-09-2006, 03:24 AM   #63
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How did the hoses from stylinmotors work out?
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Old 04-09-2006, 03:38 AM   #64
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They worked out great. Perfect fitment. I highly recommend them.
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Old 04-26-2006, 11:52 AM   #65
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Bump for clarification..

If I get an STI IC with the stock y pipe what else would I need to do to bolt it up?

Thanks

-Jeff
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Old 04-26-2006, 12:05 PM   #66
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Quote:
Originally Posted by 25rs92029
Bump for clarification..

If I get an STI IC with the stock y pipe what else would I need to do to bolt it up?

Thanks

-Jeff
From a post about 10 posts up:

Stock STi pipe for all you n00bs


Above would require the 2" ID 90 degree hose just trimmed oh so slightly for a perfect fit.
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Old 04-26-2006, 01:00 PM   #67
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Quote:
Originally Posted by TurbojonLS
From a post about 10 posts up:

Stock STi pipe for all you n00bs


Above would require the 2" ID 90 degree hose just trimmed oh so slightly for a perfect fit.

I wonder what the difference is. Mine didn't have that black connector, it was solid cast Y, there was no cut in the middle.


oh and what you need is the hose from the TB to the IC, and the IC to the turbo inlet as was said above. You can force the IC to TB hose to fit, but its too short and will lead to you having to force things.
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Old 04-26-2006, 01:28 PM   #68
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Quote:
Originally Posted by kennyvb
you should probably bend that ac line or wrap it with some hose.
http://forums.nasioc.com/forums/showthread.php?t=745315


what you can do, if you get the longer IC to TB hose, you will probably have to trim it, you can just take the trimming to wrap the AC line, zip tie it down.

I found that just bending it back doesn't push it far enough into the firewall.

it isn't pretty, but it works.
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Old 04-26-2006, 10:09 PM   #69
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Quote:
Originally Posted by TurbojonLS
From a post about 10 posts up:

Stock STi pipe for all you n00bs


Above would require the 2" ID 90 degree hose just trimmed oh so slightly for a perfect fit.
Thanks...

MY IC looks like that so I will be ordering a new 2" ID 90 degree hose

-Jeff
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Old 06-24-2006, 07:47 PM   #70
txl146
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UPDATE: 6/24/06

I've been driving my car for several months with STi TMIC and OEM WRX splitter. Since weather has gotten hot enough (90+ weather), I was able to test out effectiveness of STI TMIC when mated with OEM WRX splitter. On 90+ weather and 80 miles trip to Lebanon Valley, NY, STi TMIC had gotten pretty hot...

I immediately ordered a set of JDM STi splitter kit from rallispec! I highly recommend that you order JDM STi splitter if you install USDM STI TMIC on your WRX.
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Old 06-24-2006, 09:56 PM   #71
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Yes- the splitter mating correctly to the intercooler is VERY important. Shiv did a test many years ago that proved it beyond any shadow of a doubt.

Make sure you get the appropriate seal as well.
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Old 06-24-2006, 09:57 PM   #72
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Bigskywrx, sure will do.
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Old 06-25-2006, 04:23 AM   #73
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Quote:
Originally Posted by txl146
UPDATE: 6/24/06

I've been driving my car for several months with STi TMIC and OEM WRX splitter. Since weather has gotten hot enough (90+ weather), I was able to test out effectiveness of STI TMIC when mated with OEM WRX splitter. On 90+ weather and 80 miles trip to Lebanon Valley, NY, STi TMIC had gotten pretty hot...

I immediately ordered a set of JDM STi splitter kit from rallispec! I highly recommend that you order JDM STi splitter if you install USDM STI TMIC on your WRX.
please take pics of the difference between the two rubber shrouds. iirc the jdm and usdm splitters are the same. only difference is the rubber shrouds.

thx!
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Old 06-25-2006, 12:24 PM   #74
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Sure will do. It may take 1-2 weeks since it took 2 weeks for my buddy to receive the kit from Rallispec.
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Old 06-25-2006, 12:45 PM   #75
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I have been running a similar setup for a little over 1 month now - STi TMIC w/ WRX scoop/splitter. I removed the rubber shroud from my WRX splitter, and built-up my own with vinyl & foam weatherstripping (yea, it's redneck, I know). The foam weatherstripping is not holding up as well as I had hoped, but I still think it is better than nothing, or the smaller WRX shroud.

When I was cruising at ~70 a week ago my EGT's suddenly shot up, and would not come down, I had to slow down to like 40. They seemed to be very erratic, and at first I thought my EGT probe/gauge must be going out. Luckily I was almost home, but somethind definately was not right. My temps almost never get above 1450, and I was at 1600. It seems to be doing fine since then, but it still has me worried. This was at night when it was about 70 degrees, so it may not be the splitter/shroud. It may just be that I am still running the Cobb stg 2.5 map, I remembered seeing somewhere that Cobb recommended keeping an eye on EGTs if you ran that map with the STI TMIC.

I looked at Rallispec's site yesterday and could not find the splitter, did you just order one? I sent them an email, but have not heard back yet. It looks like they just re-did their site though so I am hoping they just have not finished that part. Let me know how everything lines up with yours, I am curious how well it will seal since I think it is designed for the larger JDM STi TMIC. It has to be better than what I have now though.

How much boost do you get now that you got it tuned? I still need to do that too, but I don't know of any good shops in the Denver area that have Protuner. I may just take a road trip to Salt Lake City.
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