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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 05-10-2008, 10:18 AM   #1
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Default exhaust choice

Well I'm doing it again. I've decided to start modding my 07. I plan on going stg.2 to begin with, then possibly going bigger. So, this means I want a 3 inch exhaust, but nothing outrageous. I'm looking for an exhaust that's not LOUD, but not a baby either. This means no Blitz or anything of that sort. I need to have at least 1 cat since MA sucks for stickers. I also need it kinda quiet due to where I live and the hours I work, so......is there a system out there that sounds right??? Ohh and forgot I'd like it to be single tip. Any thoughts?

Also I've looked for that list of exhaust clips but couldn't find it, if any knows where it is, could you shoot it my way.

Thank in advance guys!!


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Old 05-10-2008, 10:39 AM   #2
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Default Re: exhaust choice

The GReddy Evo 2 is pretty quiet. Pair that with a catted-dp and you should be good to go. FWIW, I had that with a catless TiTek dp and loved the quality of both products, but it was too quiet for my tastes.
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Old 05-10-2008, 01:29 PM   #3
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Default Re: exhaust choice

I had Bosal DP with the Bosal cat-back and it was nice, but a little to quiet. I liked it at WOT, but looking for something louder....not a hey cop here I am, but just enough. My first thought was Cobb or something similar.
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Old 05-10-2008, 01:33 PM   #4
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Default Re: exhaust choice

evo 2 is a good choice or the borla hush is also a good option
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Old 05-10-2008, 02:29 PM   #5
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Default Re: exhaust choice

hmm i really like my tanabe concept g blue.. full 3in and catless and i live in ca lol...

i havent heard any other exhaust..so i cant really tell you how loud it is..but my buddy said the exhaust is a medium loud compare to his old exhaust! he got a fix it ticket and went to the ref..he also put the stock downpipe on and it still was 100+db soo its loud!!

then he changed it to greddy sp2 and he said the g blue exhaust is a little louder then that!
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Old 05-10-2008, 03:02 PM   #6
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Default Re: exhaust choice

Stromung catted turboback should work well for you.
Very similar to the Cobb turboback except the DP is a divorced wastegate and the Cobb is a bellmouth. I cannot comment on the difference in sound between the two but I'm sure someone will chime in.
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Old 05-10-2008, 03:19 PM   #7
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Default Re: exhaust choice

I really like the divorced downpipes more than bell mouth so maybe I'll go that route too!

The tanabe I was also considering, but looks louder than what I may want. Does the Tanabe have at least 1 cat??
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Old 05-10-2008, 03:21 PM   #8
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Default Re: exhaust choice

Quote:
Originally Posted by WESTI View Post
evo 2 is a good choice or the borla hush is also a good option
I'm not a fan of Boral. Call me crazy but I've heard too many from NA cars and really really disliked them.

It could be differnt on a turbo app., but I just don't like the brand.
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Old 05-10-2008, 03:27 PM   #9
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Default Re: exhaust choice

I went with an Invidia catted DP, with a Stromung 3" catback. It's perfect for me, full 3" it's fairly quiet so the neighbors don't get cranky, and has a nice deep growl during more spirited driving.
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Old 05-10-2008, 03:35 PM   #10
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Default Re: exhaust choice

Your criteria sounds like mine, minus the need for a cat. I settled on the Cobb catless TBE and installed it on Thursday. It's just what I was looking for: Factory clean looks tucked up nicely, and throaty but not too loud or obnoxious. Fit and finish is top notch and so far I'm very happy with the sound. My only complaint is the 2.5 taper at the DP. According to Cobb it doesn't adversly affect HP at Stage 2. On a side note my friend's catless Invidia TBE sounds great, but is much louder.
Good luck with your search.
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Old 05-10-2008, 03:36 PM   #11
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Default Re: exhaust choice

Stromung catted turboback should work well for you

Stromung makes the Maddad divorced TBE. Sounds very nice in my opinion, not too loud at idle or cruise but sounds great when you're driving aggressively.

Real quality product too.
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Old 05-10-2008, 03:45 PM   #12
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Default Re: exhaust choice

I would say a catted dp off any brand and a maddad 3" whisper is what you need. This one is quieter and sounds better than the Borla Hush and is more sleeper looking than the Evo2.
Maddad FTW!
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Old 05-12-2008, 04:49 AM   #13
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Default Re: exhaust choice

Ahhhh the choices. I'll narrow it down between today and tomorrow. Hopefully I can pick the right one!! Right now it's between the Cobb,Tanabe, and Stromung.
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Old 05-12-2008, 06:22 AM   #14
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Default Re: exhaust choice

Quote:
Originally Posted by EROCK11 View Post
Stromung catted turboback should work well for you.
Very similar to the Cobb turboback except the DP is a divorced wastegate and the Cobb is a bellmouth. I cannot comment on the difference in sound between the two but I'm sure someone will chime in.

I can vouche for this exhaust, sounded sexy last time I heard it. The tanabe medallion is also a stock looking quiet exhaust. I would get one of those exhaust with a invidia catted downpipe.
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Old 05-12-2008, 07:38 AM   #15
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Default Re: exhaust choice

im running a greddy sp2 catback and helix catted downpipe. Pretty pretty quiet set up, very nice rumble at wot throttle though. im in MA also if youd like to hear it in person we could arrange something


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