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Old 01-21-2013, 03:13 AM   #1
usedgeo4sale
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Join Date: Jan 2013
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2002 WagonWRXImpreza
WRB

Default New at NASIOC help! noobie, Pro's and Con's of this set-up??

So I've owned my 2002 WRX Wagon for quite sometime now. Finally decided to get a membership...to me it seems to be the best forum after months of cruising around on here. Anyways I know the basic mechanical functions of the automobile. Don't really have much cash to be dropping on modification's but I do enjoy researching along with doing cheap mod's such as cluster/h-vac LED swaps...very cool, I'm pretty sure that ad's horsepower...ha.

To the good people of NASIOC I have a few questions and opinions that I hope to be respectively answered and criticized.

I'd like to start out by upgrading the exhaust. I feel that before I drop a massive turbocharger in the exhaust flow and cooling should be sufficient. Speaking of im at 105000 miles with a very well maintained stock turbo at what point in time do those start giving away?

I have concluded that in my opinion the best setup that I could get for the wagon is ( besides the previous owner perrin up-pipe install )
A Cobb cat-back ( the invidia, would be way too loud for my taste ) along with a invidia divorced down pipe...I would prefer a catted cobb but way too much money plus the garage I got to get inspected if they see my car has four wheels and a steering wheel i'm good to go.

now I understand with the down pipe I would get better throttle response and maybe less boost lag. I've heard or at least read that I WOULD require a tune up and also that I WOULDN'T require a tune up----I hope this would be cleared up right here right now--- are their any con's to having this exhaust set up as opposed to stock?

Last thing besides making the turbo sound cooler how much more throttle response would I notice with an upgraded turbo-inlet ( perrin ) along with the down-pipe or without? also I've read that I might actually be able to hold an extra 1 or 2 PSI with higher spikes.

NOW...I really feel these are the first mod's I should do with the wagon and if done I would do anything more for as long as the stock turbo holds up the I would replace with an STI along with an STI or Process West TMIC blah blah anyways.

I guess all I really need are the Pro's and Con's to this set-up
And if done would I in fact need a tune. Also would this set-up require anything more than I could think of to run as efficiently as I think?
Thanks,


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Old 01-21-2013, 04:30 AM   #2
faSTI666
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I'm gonna go ahead and tell you to read unabombers manifesto in the stickies in the noob forum before Big Ron comes by and puts you on blast. Your questions will be answered...I promise
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Old 01-21-2013, 05:36 AM   #3
Actuality
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ill get this one guys...

1. yes get a tune if you do a down pipe...it will run without one, but not efficiently and it doesn't make the mod worth it without a tune. 2 main ways to tune is opensource w/ tactrix cable or cobb accessport...there are many others but those to are generally the most common.

2. Yes the DOWNPIPE makes a massive difference WITH a tune. The catback is just for sound a little bit of increased flow...power wise it doesn't do much. The Spool with the 2 mods will be MUCH better..night and day difference for drive-ability.

3. The turbo inlet, may increase spool but not by hardly any noticeable amount. There are 100 other things I would do before the inlet.

4. Catless is fine as long as emissions for you are fine. It does smell worse and smokes a little more out the tail pipe especially if its cold. The cobb catback it a quality product as is the invida divorced (v3) downpipe. I feel ike the invidia dp is one of the best new DP's bang for your buck (that just an opinion). Save some money and get the non-divorced (v2) there is no good proof for extra power one way or another. I have personally had both of them on my cars and don't feel or see or hear a difference. save the couple bucks get the bell mouth.

5. yes on getting a new tmic before a new turbo. it doesn't really need to be tuned for but to get any more power from using it, it would need to be tuned. BUT its really not essential as some other things on a stock car with a td04

6. I know you don't mention it but always remember maintenance is the best mod there is, if the car isn't running well there is no point in making it run harder to make it worse. Preventive maintenance is the best. I recommend to have changed the tranny oil, rear diff oil, motor oil, spark plugs, fuel filter, cabin air filter, clean the maf sensor. stuff like that (if you haven't)..it is money better spent.
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Old 01-21-2013, 09:02 AM   #4
mhoerath
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set goals and a budget. read stickies. go to meets and talk with other wrx/sti owners. read threads of interest. revise budget and goals. repeat all for the life of your car.

also suspension mods are easy and cheap, sways, bushings.
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Old 01-21-2013, 09:29 AM   #5
Mr Wrex
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Both the 02' and 03' wrx run rich, so adding a DP won't require a tune. You'd benefit from a tune, but it isn't required on your model. As for the intercooler, you can go cheap and get a STI TMIC in the classifieds section. It'd work nice on a vf39 upgrade (more info here). As for the inlet, it's more of a peace-of-mind mod at your power levels and you won't notice much difference in spool. Personally, I think you should go with the DP and CBE for now, then come back here when you really want to throw more cash at it
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Old 01-21-2013, 09:35 AM   #6
Jack
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Timing belt.
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Old 01-21-2013, 10:02 AM   #7
tommyson01
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Quote:
Originally Posted by Jack ffr1846 View Post
Timing belt.
This.
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Old 01-21-2013, 10:05 AM   #8
turboedracer
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I feel like you are yelling at me. You can get used STi intercooler, exhaust, swaybars for pretty cheap on the classified section, bushings are really cheap and will make the car feel amazing. I buy a set of bushings almost every month for different parts of the car because of the price. But a tune will make the car run alot better if its not a crap tuner. If you can swing a Cobb AP you can do the shelf tunes so as you get stuff can upload the tunes to the "stage" not the best tunes in the world but if your on a buget and dont want to spend $500 retuning your car can save some money. And like stated before maintenance is your best friend.
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Old 01-21-2013, 12:36 PM   #9
Gallo2011
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The 2002 WRX requires a membership???
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Old 01-21-2013, 02:05 PM   #10
usedgeo4sale
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Thanks for the information everyone much appreciated!
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Old 01-22-2013, 01:18 AM   #11
usedgeo4sale
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Quote:
Originally Posted by faSTI666 View Post
I'm gonna go ahead and tell you to read unabombers manifesto in the stickies in the noob forum before Big Ron comes by and puts you on blast. Your questions will be answered...I promise
Thanks man, definitely answered 100% of my questions...Still having trouble navigating this site too busy reading Big Rons awesome FAQ'S.
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Old 01-22-2013, 03:23 AM   #12
Actuality
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Quote:
Originally Posted by usedgeo4sale View Post
Thanks man, definitely answered 100% of my questions...Still having trouble navigating this site too busy reading Big Rons awesome FAQ'S.
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