Suggestions on good exhaust. - Subaru WRX Forum
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post #1 of 35 Old 05-20-2008, 08:44 PM Thread Starter
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Suggestions on good exhaust.

Ok so I am new to the whole WRX thing I have had mine for a year now and want to start tuning it. I want to start with a nice exhaust am I right in doing this? I want to upgrade the down pipe and the exhaust. so any ideas, i want it to be loud but still retain the nice subaru rumble. i would like a little gain in power as well. please include the price. thank you.

I HAVE NOT SEARCHED THIS SO DONT ASK ME IF I HAVE THANK YOU.
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post #2 of 35 Old 05-20-2008, 09:05 PM
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Have you searched this at all? You want a bellmouth DP for the power, and any CBE that fits your tast as far as look and sound go. First you want to have some type of EM though to make sure you dont run into and of the boost problems associated with the 06-07 WRXs.
CobbTuning.com - Exhaust Design
2002-7 WRX & STi Exhaust Systems Explained Uppipe Downpipe Header Catback Turboback JSC Speed
WRX STi Exhaust: Catback & Turboback Exhausts, Gaskets, Hangers, Headers & Components JSC Speed at the bottom of this last one it has the decibel rating for some of the more popular exhausts, and you can check out youtube also for what they sound like.

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"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #3 of 35 Old 05-20-2008, 09:13 PM
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Please save everyone the time and search before asking anymore questions. This site has been going for years and odds are the same questions have been answered a thousand times. Thanks not being rude its just getting old reading the same questions everyday. New your a better man than I am!

If you care enough to post this, care enough to go hunt for some links that might help him
-mosc

Last edited by mosc; 05-21-2008 at 12:29 AM.
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post #4 of 35 Old 05-20-2008, 09:15 PM Thread Starter
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What is the down fall to running a cated or catless exhaust also would you get a power gain with straight pipes, how about tanabe do they make good products.
New I app all your help you have been helping me since I got on this site.

Last edited by mosc; 05-21-2008 at 12:30 AM. Reason: be nice...
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post #5 of 35 Old 05-21-2008, 12:32 AM
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Advantages of Catless:
-Louder
-Saves ~$100

Advantages of Catted:
-A little quieter
-won't stink
-doesn't pollute as much
-might be easier to pass inspection with (might)

There are no power advantages to catless for the most part. There are many >500whp cars that run with a cat. At that point it might be a small restriction but certainly at relatively sane power levels it's not a big deal at all.

04 STi 16G powered lagless fun
04 WRX: SOLD
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post #6 of 35 Old 05-21-2008, 02:55 PM
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+1 to what Mosc just pointed out. If you read the Cobb link it goes into a little bit about bends, and I believe catted vs non catted. For piece of mind I would get a catted DP they seem to cause less problem with the boost issues on the 06-07 WRX.

I hope you didnt take my post harshly, I have done my far share of searching for the "pefect" exhaust for me, I know it isnt easy. Good luck with your decision(s).

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #7 of 35 Old 05-21-2008, 07:49 PM Thread Starter
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New I didnt and the links were very helpful. I app it I think i like the TurboXS turbo back exhuast with the RFL/Ti option. as far as catted or catless goes I like the loud option better seeing as how im not much on the enviroment. and i like saving the 100$ lol ass far ass the EM goes is cobb a good company?
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post #8 of 35 Old 05-21-2008, 09:17 PM
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the stink alone would make me want to go catted. My STi I bought had no cat and man, it stunk. I can't believe you guys deal with that. My catted downpipe is odor free!

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04 WRX: SOLD
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post #9 of 35 Old 05-21-2008, 09:49 PM Thread Starter
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http://www.youtube.com/watch?v=64H-SHpDpEY\

Here is a video of kind of what i hope for it to sound like tell me what you guys think.
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post #10 of 35 Old 05-21-2008, 10:13 PM
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whats wrong w/stock catted down pipe? couldnt you just run a de catted uppipe and cat back w/ cobb stage 2? is the catted down pipe that restrictive?
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post #11 of 35 Old 05-21-2008, 10:24 PM
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Its not the cat in the stock DP that is restrective, its the CRAPPY desing by subaru. Its VERY restrictive. And if you read Cobbs map notes for stage 2 all it requires is a DP.

Guicci, sounds like a plan. At one time I thought about the TurboXS system also, but decided Im going to go back to close to stock look so its out of the question for me. Make sure that you pass your states emmisions test(s) with a catless system before you buy one. As far as Cobb goes, if you have the money and want the extra features it comes with I say go for it. I have one and really like it.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #12 of 35 Old 05-21-2008, 11:27 PM
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this is my actual exhaust video clip
YouTube - Blitz Nur Spec R

if you like how it sound.
then heres my humble setup.

1)tomei catless downpipe
2)tomei unequal lenght extractor
3)blitz nurspec R catback exhaust with resonator removed.
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post #13 of 35 Old 05-22-2008, 03:52 AM
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just putting this in here... my catless 04 runs cleaner than stock... get it tuned is all I ahve to say

▼SbiΣ Mi▼
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post #14 of 35 Old 05-22-2008, 06:55 AM
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post #15 of 35 Old 05-22-2008, 01:29 PM
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Go with open headers...they will give you the best gains. BTW, search!
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