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Old 12-13-2017, 03:09 PM   #1
LampShady
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Member#: 479034
Join Date: Dec 2017
Chapter/Region: RMIC
Vehicle:
2002 WRX Wagon
Blue

Default 2002 WRX Upgrades?

Hey guys, I was if someone could point me the direction of some threads that talk about WRX upgrades to the 2002 model from newer cars? Like the brembo front calipers from the STI. OR certain year suspension swapping over? I'm not looking to necessarily "Mod" the car with new performance parts but just update the car to some newer/better stock parts.

Thanks ahead!
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Old 12-13-2017, 06:06 PM   #2
vapore0n
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Member#: 21356
Join Date: Jul 2002
Chapter/Region: NESIC
Location: Can't catch me!
Vehicle:
2017 Subaru Corolla
STI Limited SE-R Type (R)

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Technically, changing OEM parts to some that perform better would be considered modding

I googled Nasioc bugeye sti suspension swap and came with up with this
https://forums.nasioc.com/forums/sho....php?t=1431449

You could do the same for the rest of the parts you want to update.

I personally would not focus on OEM, and instead go with good aftermarket parts. I had an 05 STI and the strut clunking was terrible. Possibly due to inversed struts. The ride was bouncy as hell too. Read around and see what people like in terms of what you need.

I used to have an 02 WRX with Eibach springs with some 17" BBS wheels, it looked awesome. Ride was lowered by 1" and it drove much better than stock. It just needed struts to match and sway bars to improve handling. I also had a Prodrive axleback, which I loved. It gave me the sound when I wanted it, without being overly loud.
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Old 12-14-2017, 09:51 AM   #3
86Dreams
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V7 S204

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You cant just swap in brembo calipers. You will need larger diameter wheel and a special mounting bracket at a minimum. At a maximum you would need to replace the hubs struts/springs and axels, plus larger diameter tires.

Upgrading to parts from newer models doesnt really work, parts are interchangeable on subarus but not without some intent or necessity.

my suggestions are these:
Replace EVERYTHING that is plastic. Its dunzo after 15 years of service. especially boost lines, pcv lines, and any kind of mount or bushing. Dont lose youre bcs restrictor pill.

replace your MAF sensor with a new one from subaru, no buts. it must be from subaru otherwise it will not work correctly. dont be sammed by that company that calls itself 'oem' theyre not oem, oem is an acronym for original equipment manufacturer.
replace your IACV gasket.
Get a silicone turbo inlet. the stock one probably has a hole in it. DO NOT replace the stock after maf hose as that will mess up your maf calibration.

make sure you have both the left and right intercooler support brackets.

get a boost gauge.
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Old 12-14-2017, 10:02 AM   #4
AFBeefcake
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Join Date: Oct 2002
Chapter/Region: NESIC
Location: Ledyard,CT
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2002 WRX V7 EJ207
DOM1.5 6MT 360 whp

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Quote:
Originally Posted by 86Dreams View Post
You cant just swap in brembo calipers. You will need larger diameter wheel and a special mounting bracket at a minimum. At a maximum you would need to replace the hubs struts/springs and axels, plus larger diameter tires.
NOT TURE.

The OEM Front brembo calipers off any 04-07 STi will bolt up to any 02-07 wrx hubs, No swapping of hubs, axels or struts. You'll need wheels that clear the calipers (17") and 04 STi front rotors.

I did it on my 02 wrx. The rears on the other hand need a lot of stuff swapped or the use of aftermarket caliper adaptors and special rotors.
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Old 12-14-2017, 11:00 AM   #5
86Dreams
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Quote:
Originally Posted by AFBeefcake View Post
NOT TURE.

The OEM Front brembo calipers off any 04-07 STi will bolt up to any 02-07 wrx hubs, No swapping of hubs, axels or struts. You'll need wheels that clear the calipers (17") and 04 STi front rotors.

I did it on my 02 wrx. The rears on the other hand need a lot of stuff swapped or the use of aftermarket caliper adaptors and special rotors.
https://forums.nasioc.com/forums/sho....php?t=1800734

youre right, I never realized. does it throw off the brake balance at all-cause understeer?
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Old 12-14-2017, 08:58 PM   #6
Fairlaner
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Join Date: Jan 2011
Chapter/Region: SCIC
Location: Central Coast, CA
Vehicle:
2002 WRX
WRB

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Quote:
Originally Posted by LampShady View Post
Hey guys, I was if someone could point me the direction of some threads that talk about WRX upgrades to the 2002 model from newer cars? Like the brembo front calipers from the STI. OR certain year suspension swapping over? I'm not looking to necessarily "Mod" the car with new performance parts but just update the car to some newer/better stock parts.



Thanks ahead!


There are many parts from newer models which will work on an '02. Here's a quick list of what I've put on my '02 sedan ...

Sti parts: Springs, caster adding control arms, underbody panels (including the JDM trans cover), front sway bar (needed due to increased caster), steering coupler, 5MT short throw shifter, JDM front strut tower brace, JDM rear sway bar "boxes", shifter trim, JDM STI forged wheels

WRX parts: aluminum front lateral links (also used as rear lateral links with the appropriate bushings and JDM sway bar "boxes"), wheel flaps, 4 pot/2 pot brakes

Parts not from any specific model, but still Subaru parts: Group N bushings/mounts pretty much everywhere, SPT lower chassis brace

Combination of factory and aftermarket parts: Koni inserts, aftermarket gauges shoehorned into the Subaru dash gauge pod

Keep in mind a '02 WRX is a 15 year old car which was very popular to mod. Pretty much anything which can be done to one has been done and talked about on this site. A little reading in your spare time (especially threads from 10 years ago), and you'll learn all kinds of interesting things.
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Old 12-15-2017, 04:24 AM   #7
LampShady
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Join Date: Dec 2017
Chapter/Region: RMIC
Vehicle:
2002 WRX Wagon
Blue

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Thank you all for the feedback.

86Dreams - Would something like this be a good option for replacing all the plastic parts?
Hose kit

silicone intercooler parts
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Old 12-15-2017, 07:28 AM   #8
Unabomber
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Location: I can save you a ton of cash
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on car parts so PM
me b4 j00 buy

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http://forums.nasioc.com/forums/show....php?t=2740715
http://forums.nasioc.com/forums/show...php?p=13628938

These come far and ahead of modifying as you don't want to modify something with cancer. And stay off of eBay...that's for advanced users only. Talk to locals, find a great local shop, and spend $9 more and trust their advice. If no local shop, PM me some n00ds and I'll set you up with a great shop whom can sell and ship great parts and advice.

Once you get the two links above 100% sorted, then talk about modifying.
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Old 12-16-2017, 03:44 PM   #9
hudsonvalleybugeye
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Location: Hyde Park, NY
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tuxedo black metallic

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Old 12-17-2017, 12:29 AM   #10
monkeyposeur
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Location: SLC, UT
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1993 SS
03 WRB GD 205/22T 20G-XT

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Quote:
Originally Posted by 86Dreams View Post
replace your MAF sensor with a new one from subaru, no buts. it must be from subaru otherwise it will not work correctly.
If you match the OEM part number for the Denso part you get the exact same sensor for quite a bit less.
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