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Old 01-29-2011, 01:26 AM   #1
Justin.S
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Member#: 258212
Join Date: Sep 2010
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Location: 262/Wisconsin
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2006 WRX Wagon
WRB

Default 06 WRX WAGON, STI swap

How/What do I need to turn my 06 WRX Wagon into a STI? What parts do I have to swap? And how much am I looking at to get a built 5 speed put into my WRX?
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Old 01-29-2011, 09:15 AM   #2
FullBlackMetal
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Quote:
Originally Posted by Justin.S
How/What do I need to turn my 06 WRX Wagon into a STI? What parts do I have to swap? And how much am I looking at to get a built 5 speed put into my WRX?
I'm guessing you want STi to later build on.

I believe you need the STi turbo, STi top mount IC, the injectors, rewiring involved and Cobb tuner (because the ECUs aren't the same). There's other stuff I maybe missing, though Sport Compact Car or Modified Mag, showed a WRX to STi build back last year.

From my Droid
-Dan
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Old 01-29-2011, 10:35 AM   #3
Justin.S
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Later build on?

Will my block & stock 5 speed handle it?

Do you have a Cobb tuner? I hear they are a must have! What's so awesome about them? If I had one I wouldn't have to go get my car tuned at a shop if I added stuff to my car would I?
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Old 01-29-2011, 03:30 PM   #4
Keif
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It sounds like you need to do a lot of reading.

The STi engine and the 06 wrx engine are almost identical. So you would just want the turbo and the intercooler (The injectors on the 06 wrx are actually a bit bigger). And then buy a 3" turbo back exhaust, a walboro fuel pump, 3-port boost solenoid (search "GM Solenoid") and have it tuned.

A Cobb accessport isn't necessary but it does have a few features that are nice. But IMO they're not worth it. Most tuners use open source programming so all you have to pay for is their time to tune your car.

If you really want to have fun with your car and never have to worry about the transmission breaking i would get the trans built or swap an STi drive train. To have it built with ppg gears is around 4-5k. And STi swap will be around 3-4k with the advantage of the more quiet gears but you also need the drive shaft, linkage,axles, hubs, brembo brakes, etc. Check out of the private classifieds and eventually you'll come across a ppg gear set or STi transmission.

But personally ive ran an STi turbo for a couple years, have done about six auto crosses, made about 15 passes down the 1/4 (12.7 at 108mph, 1.7 60 ft), the occasional spirited drive and my trans has held up great. You can shift as fast as you like as long as the clutch engagement is smooth. Be a bit cautious with first to second, run stiffer mounts ,some good fluid and you'll be fine.

This should give you a good jump start. Like i said, do lots of research and figure out a plan before you buy anything. Every thing you need to know is all here. Good luck!
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Old 01-29-2011, 03:40 PM   #5
Blue02Rex.
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yeah u got alot of reading up to do i have a 02 wrx and i just did a full 06 sti swap trans and motor. ecu, wiring harness all around everything its a big pain in the ass.
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Old 01-29-2011, 10:18 PM   #6
Justin.S
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Thanks for the info guys! Again haha I'm new at this so the more info the better!
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Old 02-01-2011, 08:03 PM   #7
Jefe009
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Ugly white and gray

Default You just want the power, or....?

If you want to make STi power in your wagon, that's really easy. Start with new exhaust and go from there. Bigger turbo, catless UP, larger TMIC, larger injectors...

Stock STi parts (turbo, tmic) are easy to come by in the used classifieds, and well within an amateur's ability to change out on their own. Ditto for the DP/UP/exhaust. But you'll need tuning for that new setup.

Or do you instead want your wagon to 'feel' like a STi? That's much tougher, and most people who want AVCS (super quick spool up in the low end) just end up buying a wrecked STi and swapping over anything that will fit.

I am running a Stage 2 hybrid setup with stock STi turbo and tmic (300 awhp) and my 06 WRX transmission has handled it fine.

My advice is to find a local shop that specializes in Subaru swaps and tuning. That way you have a local resource to call when you get the flashing check engine light. Good luck!
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Old 02-05-2011, 02:52 PM   #8
Link2006
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I personally have a 2006 wrx wagon with a vf39, sti topmount, full 3in exhaust and nothing else is modded as far as power goes and i do not have an access port, i didnt feel like spending 500 on one or whatever they cost, i got a pro tune from Maxwell power in washington state, tuned me at 320whp and 385 ft lbs. and we have a stock catless uppipe so no real need to change that. but there are rumors about a lot of people blowing up there tranny.

hope this helps
tucker
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Old 02-05-2011, 03:52 PM   #9
Justin.S
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I just enjoy having a wagon so that's why I want to build it up to get that STI power. What if I upgraded to a stage 2 clutch? Would that help with having the tranny last longed?
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Old 02-05-2011, 06:47 PM   #10
Justin.S
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Join Date: Sep 2010
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2006 WRX Wagon
WRB

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Tucker if you don't mind could you send pics of your wagon?
Jstnsvge@gmail.com
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Old 02-06-2011, 12:20 PM   #11
Link2006
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i currently dont have any, but my friend took some recently so when he gets them to me ill give you a link to where i post them.

tucker
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Old 02-06-2011, 04:15 PM   #12
Justin.S
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WRB

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Awesome! Thanks
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