What TMIC to get? - Subaru WRX Forum
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post #1 of 19 Old 07-25-2010, 08:37 PM Thread Starter
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What TMIC to get?

I plan on getting a new aftermarket TMIC in the next few weeks and wanted to get some input.I have been looking at the Perrin vs AVO because there are no other TMIC for 2008+. I also have been looking at a cheaper FMIC but they are a little to pricey for my plus im worried about lag. I also wanted to know if anyone knows anything about the Godspeed FMIC on Ebay. I would get it but I know its not the best quality for only $550.
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post #2 of 19 Old 07-25-2010, 08:48 PM
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Stay away from the godspeed fmic. I would say save up for the perrin tmic, or even their fmic. If you buy cheap stuff, you get cheap stuff.
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post #3 of 19 Old 07-25-2010, 09:11 PM
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There are 2 new inexpensive intercoolers on the market.
For TMIC look up IPR. They sell for about $599. You can have a look at them with some reviews here:
http://legacygt.com/forums/showthrea...gt-140159.html

For FMIC. Check out RacerX for $750. You can check it out with reviews here:
http://legacygt.com/forums/showthrea....html?t=131072

Inexpensive doesn't always mean cheap or bad stuff.

Fabio
2008 VF52 WRX Opensource Magnus Motorsports Stage 3 Tune
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post #4 of 19 Old 07-26-2010, 09:45 AM
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Perrin or Process West.

Save the extra money and you won't be disappointed. I would have picked up the Process West but it came out after I bought the Perrin. It will allow you to use any turbo layout with the use of a $80 accessory turbo outlet pipe.

-Chris
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post #5 of 19 Old 07-26-2010, 05:42 PM
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The Process West is definately the prettiest TMIC. Has anyone ever tested it in a real world comparison with the Perrin, AVO, IPR, or Hyperflow?
The one thing that has always held me back from the Process West is the silicone piping. What scares me is the bend and well, silicone. How durable is that silicone piping? Will it slip off or cave in? Perhaps it's strong enough. I'm sure someone would have reported a failure by now anyway but it might be something to think about.
The new accessory piping that will let you use STI style turbos with the PW is neat though. The RacerX front mount includes that extra piping for use with the STI style turbos in case you want to go that route for free as well.

Fabio
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post #6 of 19 Old 07-26-2010, 09:22 PM
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The only piping that is known to cave in is the pre turbo turbo inlet. That's because it see's a lot of suction right before the turbo. The silicon pipe on the PW see's a bit of vacuum and then boost, so it's highly unlikely to collapse.

-Chris
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post #7 of 19 Old 07-27-2010, 11:14 AM
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I like the looks of the PW intercooler. If I can figure out the exact core size I may have to make myself a knockoff. I'd most likely make the bends out of aluminum instead and only use couplers at the ends. Not quite sure how I feel about the BOV mounting, I know what they were going for, but I would probably do it a little differently.

The Perrin and Avo units look nice too, but for someone like me who wants to make their own, the PW design is easier to work with.
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post #8 of 19 Old 08-02-2010, 08:40 PM
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Get perrin tmic, well worth it.















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post #9 of 19 Old 08-02-2010, 09:01 PM
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perrin is the largest on the market, inside area. which should equal to more cooling "maybe". it has some fitting issues sometimes but thats normal with Chinese kids 12 years old making them.

PW is the largest outside area, which some think will cool more because you have more surface area which outside air will pass through cooling the charged air more.

AVO is the smallest on all areas.

all will get heat soaked in traffic and dyno tuning. FMIC are the way to go!! a TurboXS FMIC is only about $50 more then the PW so thats a no brainer buy. the FMIC will cause zero issues with lag and throttle responce with your stock VF52 turbo!

anything WILL work in helping you add power because you cant push the stock TMIC over 17-18psi. it just boils down to at like 20psi which is better, TMIC vs FMIC vs the different brands. really only a few HP is here nor there.

Scott-2011 WRX 335HP 394TQ 93 VF52!
http://www.wrxtuners.com/forums/f121/2011-wrx-build-31226/
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post #10 of 19 Old 08-02-2010, 10:38 PM
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Synolimit is correct...if you plan on going more than 330whp, get a front mount. The tmic are not rated for huge power, AVO rates theres at 330 and I'm sure the Perrin isn't going to take much more.

The problem with a lot of builds is EVERYONE slaps on a top mount, only to have their project snow ball and upgrade to a front mount which you could have done at the beginning. There are guys running the fmic with the stock 08 td04 with no issues...its all in the tuner.
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post #11 of 19 Old 08-03-2010, 08:33 PM
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^^^ didnt know about the 08's running a front mount but if there not having issues thats sweet.

heres a dyno of my car with stock TMIC vs FMIC. 17psi to 19.5psi, winter fuel vs summer fuel, blow through MAF vs stock location and more timing due to A LOT cooler air. no lag as seen and throttle responce is instant!


Scott-2011 WRX 335HP 394TQ 93 VF52!
http://www.wrxtuners.com/forums/f121/2011-wrx-build-31226/
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post #12 of 19 Old 08-03-2010, 10:52 PM
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Wow, 49 ft lbs torque? I never wanted to go front mount route...but that's impressive.

Basically just retuned after the FMIC huh? What the advantage or claims of the blowthrough MAF? Haven't seen it before...

355 awhp fp green six speed wagon in Corvette Atomic Orange
-Brandon
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post #13 of 19 Old 08-04-2010, 04:22 PM
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Yep 49ftlbs. U could maybe get that too with a TMIC but after 1-2 runs it will just get to hot! Your Tuner would start out with higher timing but as tuning goes on he'll have to keep backing it down. We tune 10-15 pulls, no TMIC can handle that!

Basically, FMIC, blow through, BOV, and catch can were added. More timing, more boost thanks to FMIC cooler air and there u go. Temp and everything was basically the same.

Blow though allows for 100% vent to atmos BOV. Moves the MAF sensor before the throttle body so leaks, BOV's ect have no affect on the car. I can run no filter, intake, inlet ect and car will run 100%. It's where the MAF should be! A foot before the TB so the ECU can make a perfect A/F. Makes no sense running 5-8 feet away and run it though the turbo.

Scott-2011 WRX 335HP 394TQ 93 VF52!
http://www.wrxtuners.com/forums/f121/2011-wrx-build-31226/
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post #14 of 19 Old 08-17-2010, 08:18 PM
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Installed the PW last week, liked the fit. Off idle response is better, with smoother and stronger boost. The engine power also doesn't seem to be effected as much by outside air temp.
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post #15 of 19 Old 07-25-2014, 09:18 PM
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Sorry to butt in on your message but im slso interested in a tmic and was wondering does ot matter if you still have stock turbo all I have right now in cobb AP
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