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Old 04-25-2013, 11:58 PM   #1
WRXBriggs
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Member#: 354407
Join Date: Apr 2013
Chapter/Region: South East
Location: Cocoa, FL
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2002 WRX Bugeye
WRB

Default Just Purchased First WRX! Help Please!

Hey guys I'm 18 and new to the forum and owning a Subaru. I've come to be quiet familiar with them due to Families choice in vehicle.

Anyways I need help on mods. I'm not trying to go crazy as it will be a daily driver. But I'm looking for no more than 300 whp. My budget is not really "set" as to trying to find the best deal without skipping on quality.

I have a 2002 WRX stock other than Perrin up pipe and STI Springs.

I'm open to motor, exterior, and interior mods that have helped others.
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Old 04-26-2013, 12:32 AM   #2
flores412
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black

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First off ill do you a favor before the others come in here and ring you by your throat! Do your research. You'll hear it from me and many others, as far only wanting 300 hp riiight, I'm at 350 and want more. Look on here for parts for sale, you'll need injectors, sti top mount, walboro 255 fuel pump, either Cobb ap or an open source tune just to get you started you wont be pushing near 300 with just that. What you can start with that won't damage your wallet to bad is a spt intake, short ram or you can go cai. But that's your choice, second mine would be catless dp, do not buy a cheap knock off. Spend the money and do it correctly or you won't like your results, you will need a tune after this. If you want a turbo back exhaust or cat back you could also start with that. Catless will give you more power but will smell like gas if you go catless dp. Or catless period. I can list mods all day but it's really up to you and what you want 300 in a 02 wrx will take some money to get there if you do it the right way. Also remember the trannies are known to blow around the 300-350 range. You need to tell us what you want budget, a real budget! And like I said do your research and then do it 10xs again. Unabomber will tell you this as he is one of the few guys on here that knows alot about subarus. Good luck
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Old 04-26-2013, 12:58 AM   #3
WRXBriggs
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Thanks. But I keep hearing the word "Tune" what is it? And what exactly is an ap? What would be a good way to improve the handling/suspension/overall ride
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Old 04-26-2013, 01:18 AM   #4
flores412
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Tune as in place your car on a mustang dyno and tune it. Basically pushing your car to its limits and adjusting air to fuel ratios, timming things along those lines. An "ap" or access port from Cobb tuning. You plug it in to your obd2 port it scans your Ecu your tell it what parts you have on your car and it tunes it itself with out putting it on a dyno. I haven't used one I just went open source tune. But that's your personal choice. Do research don't just slap parts in you'll blow your motor up. Read the unabombers manifesto on here and you'll learn everything you need to know. And as far as suspension do you want stiffer or soft? Better response? You can start with a strut tower bar for the engine bay, sway bars, stiffer bushings. Or get coilovers and then you can adjust those to then T. Your choice every option has its price. Feel free to ask question.
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Old 04-26-2013, 01:27 AM   #5
PD63
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Well consider yourself lucky cause the car has the an up pipe in it already. I would say start out with a stage 2 set up with an Accessport tune and go from there. Before putting in a bigger turbo, get a nice suspension setup in there being that the car is 11 years old so the suspension is probably tired. Before all of this of course make sure the timing belt, water pump and all of the components were changed.

I'm in your same exact shoes, in my head I already have the car built to where i want it for a "reliable" daily driver, but the age of the vehicle and being a college student is the real limitation.
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Old 04-26-2013, 04:58 AM   #6
575rider
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Quote:
Originally Posted by flores412 View Post
First off ill do you a favor before the others come in here and ring you by your throat! Do your research. You'll hear it from me and many others, as far only wanting 300 hp riiight, I'm at 350 and want more. Look on here for parts for sale, you'll need injectors, sti top mount, walboro 255 fuel pump, either Cobb ap or an open source tune just to get you started you wont be pushing near 300 with just that. What you can start with that won't damage your wallet to bad is a spt intake, short ram or you can go cai. But that's your choice, second mine would be catless dp, do not buy a cheap knock off. Spend the money and do it correctly or you won't like your results, you will need a tune after this. If you want a turbo back exhaust or cat back you could also start with that. Catless will give you more power but will smell like gas if you go catless dp. Or catless period. I can list mods all day but it's really up to you and what you want 300 in a 02 wrx will take some money to get there if you do it the right way. Also remember the trannies are known to blow around the 300-350 range. You need to tell us what you want budget, a real budget! And like I said do your research and then do it 10xs again. Unabomber will tell you this as he is one of the few guys on here that knows alot about subarus. Good luck
OP, catted vs catless downpipe is a difference of a few horsepower, maybe. Dyno tests have been run back to back showing a negligible difference in power. Catted is quieter, better for the environment, will allow you to pass a smog test, can prevent you from being required to buy a cat at certain repair shops, is what works with Cobbs Accesport....just buy a high flow catted down pipe.

There may be some power to be had in a full tilt engine/large turbo build, but you aren't doing that. Take a look in the NASIOC classified or watch ebay to get a good used down pipe. I found a Perrin catted dp on ebay for $240 shipped several years ago, the deals are out there if you diligently look.

Do you want 300 crank hp or wheel hp, 2 very different things. You can get close to 300whp (roughly 335-350 crank) with an STI intercooler $250-300 used, walbro 255 fuel pump $90, larger fuel injectors $100-150 used, used vf39/34/30/43/22 turbo $350-700 used, full turbo back exhaust $550+ used, and a custom tune $400-550. Add labor if you don't know how to work on the car, so upwards of $1600-2000 without install labor. Add another $500-600 if you have a shop do your install. And, your car has one of the weakest transmissions that came in a WRX so save another $4000-7000 for a 6 spd to replace that broken 5 spd.

Best bet is to get a down pipe and tune, plus some suspension mods. Sway bars, end links, H-brace, anti lift kit, and some good tires. A down pipe and tune will open the motor up noticeably.

Last edited by 575rider; 04-26-2013 at 04:51 PM.
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Old 04-26-2013, 07:02 AM   #7
Loyale93
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Stop answering his questions and give him something to do.

OP, go read this:
http://forums.nasioc.com/forums/showthread.php?t=533787

It will answer a lot of what you need/want. It talks about tuning, parts, upgrades, etc.
also, do a search in the Newbie section for the words "first mods" and you'll find tons of threads about what other people have done before.

There's another thread in the sticky about wanting mucho horsepower...o. I recommend reading that. Most of us get scared when a kid, especially an 18 year old comes in, and just wants more HP.

What do you it for? Racing? Rallying? AutoX? To say to your friends, "Yea, I've got 300 torques in this car. Added them myself. The first 200 were easy, but then I had to start putting them in the trunk and other weird places. But, they all fit!!"
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Old 04-26-2013, 09:13 AM   #8
cvananden
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Join Date: Jul 2012
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Location: Bayonne NJ
Vehicle:
2006 WRX Ltd.
San Remo Red

Default

Quote:
Originally Posted by Loyale93 View Post
Stop answering his questions and give him something to do.

OP, go read this:
http://forums.nasioc.com/forums/showthread.php?t=533787

It will answer a lot of what you need/want. It talks about tuning, parts, upgrades, etc.
also, do a search in the Newbie section for the words "first mods" and you'll find tons of threads about what other people have done before.

There's another thread in the sticky about wanting mucho horsepower...o. I recommend reading that. Most of us get scared when a kid, especially an 18 year old comes in, and just wants more HP.

What do you it for? Racing? Rallying? AutoX? To say to your friends, "Yea, I've got 300 torques in this car. Added them myself. The first 200 were easy, but then I had to start putting them in the trunk and other weird places. But, they all fit!!"
Where can one acquire said trunk torques? I've been all over eBay for them bro! Amidoinitrite?
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Old 04-26-2013, 09:40 AM   #9
cmiovino
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Location: Pittsburgh, PA
Vehicle:
2004 WRX Premium
PSM

Default

Not saying 300whp is a lot, but realistically, it's going to take a decent amount of modding to get there.

A typical stage 2 tune with a full turboback exhaust is going to get you put to 230whp ish. To hit 300, you need another 70... which is going to include a bigger turbo, injectors, a new tune, etc etc.

After 'stage 2' reliability slowly starting going down. I'd get the car sorted out, then opt for a full turboback and tune first. Then focus on suspension and braking. If you need more after that, more research and more extensive mods will be needed.
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Old 04-26-2013, 09:49 AM   #10
Rymaster
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OP do yourself a favor, save some money along the way and skip changing your air intake system all together. While a cold air intake and short ram intake may sound nice and look good under the hood, our stock air boxes do a great job at providing plenty of air to the whp goal you want.


And welcome to the club
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