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Intercooler Pipe Question

clarusmoof

New member
Location
Indianapolis, IN
So I bought a 2007 GTI and it had already had some mods. But upon further investigation the mods are not what I would call "standard" or "ideal". Specifically, the front mount intercooler pipe appears to be a home welding project that protrudes into the fog lamp cover area. So much so that the fog lamp covers aren't screwed in!

https://photos.app.goo.gl/85y4n9HqFEq82k4R8

https://photos.app.goo.gl/ReQqi9otASmoRCCM7

Then while doing an oil change I noticed some missing tubing/pipe that sits near the intercooler pipes.

https://photos.app.goo.gl/47o6fqMYB89bMXsG9

So my first question, anyone have any recommendations on intercooler pipe to replace this shitty weld hack job?! Would a pipe like this be what I'm looking for to deal with my intercooler pipe and the open port in the image above?

https://i.ebayimg.com/images/g/40UAAOSw~RFa-~Qa/s-l1600.jpg

And what exactly is that open port?! Doing some YouTube watching and think I found out what that is, is it the port(s) for the original intercooler?! Is it ok to just run with the front mount intercooler or should I be tying the two together?!

Thanks,

Jerry
 
Last edited:

ROH ECHT

K04 PLAY
Location
PDX OR
Car(s)
2007 MKV GTI
Surprised no one commented on this yet...

Tough to tell but obviously an aftermarket fmic was installed...bypassing the oem fmic. The open port looks like the oem fmic port but not 100% based on the pic angle. It looks like just the one fmic is being used...and either suggests the oem was leaking or someone just wanted to be "cool" and have a visible fmic up front.

Before going any further...can you get underneath with the splash shield removed. Take pics of both the aftermarket fmic and the inlet ports of both fmic's so I or another can determine if the open port is the fmic. There should be an open port on the other side as well if they bypassed the oem fmic.

I do not yet recommend getting those dual fmic Y-hoses.

I have an upgraded oem location Audi S3 fmic coupled with a Forge twin-cooler. Pic of the hose connection to the Forge which sits in behind the lower grille...those hoses you shared connect to both the oem location fmic and a twin cooler;



This shows where the Y-hose leaves the turbo outlet pipe and goes to connect to both the fmic's. On the other outlet/driver side of the fmic's the Y-hose leaves both fmic's and connects to the fmic to throttle body pipe.


This is how those Y-hoses would connect: https://www.mdmtechnik.co.uk/wp-content/uploads/2017/12/FMINTMK5.jpg
 

ROH ECHT

K04 PLAY
Location
PDX OR
Car(s)
2007 MKV GTI
You could tie the two together and use those Y-hoses...but you still may need to fabricate inlet and outlet ports on the second fmic so to position the ports where the Y-hose will fit/reach them on each side. You would also need to get oem fmic hoses and modify them so to be able to clamp the Y-hose to the coupler that fits inside those open oem fmic ports. Do some searching to see how others have connected those Y-hoses to the oem fmic's.
 

GT0neX

NooB-Still Sucklin' Teat
Location
SoCal
From the looks of the weld job and fitment of the job, I would question what FMIC was actually put in there. It almost seems like someone took whatever core they found laying around and fab'd it to fit just to have an FMIC. Most FMIC's I've seen ditch the OEM one, except for the forge twinFMIC which couples them together. As was suggested above, I would go beyond and say to remove the front bumper and see what's actually in there. Removing the front bumper is actually super easy to do, and there are a few youtube videos on how to do it. I'd say it's even easier than an oil change job.
 

clarusmoof

New member
Location
Indianapolis, IN
Thanks gang! I'll be taking the bumper off soon and update with pictures. Part of me is thinking of removing the FMIC and go back to the OEM. My concern there is that there would be a ton of debris in the intercooler! Again, thanks!
 

clarusmoof

New member
Location
Indianapolis, IN
So followup question .... what can I do to reconnect to the OEM intercooler that is still there? Is there a way to use shopvac to "flush" any debris out of intercooler? I'm just thinking of removing this FMIC and go back to stock.

Thanks!

Jerry
 
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