SPT catback + COBB DP soundclips? - Subaru WRX Forum
 
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post #1 of 15 Old 08-07-2013, 12:14 AM Thread Starter
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SPT catback + COBB DP soundclips?

Currently have a '12 WRX with SPT catback and am planning on a COBB downpipe. Is there anyone familiar with this setup? I'm looking for feedback on the loudness of the combo. SPT is significantly quieter compared to other after market brands of catbacks and was hoping someone would have a sound clip or YouTube link of the two.

Thanks
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post #2 of 15 Old 08-07-2013, 06:11 AM
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Alright there's 3 sound clips. Take them for what there worth. Sound quality is only so good. I'm actually hoping to install my cobb dp this weekend and I already have the spt catback on my sedan. I doubt the sound will change that much. The part that really contributes to sound is the catback set up.

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post #3 of 15 Old 08-09-2013, 04:35 PM Thread Starter
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Awesome. Thanks a lot, man. Good luck with the install. Throw up some vids/pics of your ride!
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post #4 of 15 Old 08-09-2013, 07:42 PM
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^love your avitar. Where did you find that? I need that on a shirt or something.

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post #5 of 15 Old 08-12-2013, 06:31 AM
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So the install is complete, I will try and get some pictures and videos at some point this week. I did not think that the car was much louder than before. On a cold start it seemed a little louder than before. It was not an annoying louder though. It seemed the noise at cruising speeds were pretty close to the same as before as well. So all and all I would say there isn't much more noise. I also installed an aem intake so that was added noise under the hood!
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post #6 of 15 Old 08-12-2013, 07:25 PM
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Quote:
Originally Posted by a4sheeze View Post
Awesome. Thanks a lot, man. Good luck with the install. Throw up some vids/pics of your ride!
Here's a link to my build thread of all the mods I've been doing over that past year of owning her. The last page has some pictures of the Cobb DP. I'm not really sure how to upload sound clips or videos but it sounds really good.

New to the site 2012 WRB WRX
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post #7 of 15 Old 08-12-2013, 09:29 PM Thread Starter
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Damn dude, I'm jealous. That's badass. How do you like the power increase?
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post #8 of 15 Old 08-12-2013, 09:33 PM
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Damn dude, I'm jealous. That's badass. How do you like the power increase?
Love it! Well worth it. I was very impressed. I'm glad I did it. Some parts of the install were slow going and frustrating, but that's cars for ya. I just stayed patient and kept plugging away.

When you're ready to do yours I will do my best to answer any questions. It's easy in the fact that everything goes back where it came. How much of a pita they wanna be coming out is another.

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post #9 of 15 Old 08-12-2013, 11:45 PM Thread Starter
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Will do. Thanks man. Springs and mudflaps to do first. Hopefully soon though.
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post #10 of 15 Old 08-14-2013, 07:29 AM
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Will do. Thanks man. Springs and mudflaps to do first. Hopefully soon though.
post some pictures when you're done!
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post #11 of 15 Old 08-14-2013, 09:52 AM
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Here are a few clips of spt cat back with the cobb dp. I'm not sure if it will work.

-voice 1 is cold start at idle in the car then right by the muffler and then standing about 3 feet away. (the rattle at the beginning is the make shift spacer at the dp to cb because we snapped the original 2, i've since replaced them with the correct ones)
-voice 2 is normal acceleration
-voice 3 is normal then a I stepped on it a little get the intake noise in 2nd gear
-voice 4 is stand still rev with my turn signal clicking in the background
Attached Files
File Type: zip DP sound.zip (656.8 KB, 31 views)
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post #12 of 15 Old 08-20-2013, 11:28 AM
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Good street setup for sure. The 11+ sedan cutback from COBB was just released last week to the USDM... Something else to consider if you want guaranteed trouble free OTS COBB maps. The reason for the delay was partly to develop a catback that maintains OEM NOx emissions as well as stock back pressure to make it safe for stage 2 with the stock MAF sensor. This wasn't a design problem with the wagon. The SPT works if you trust hobbyist data loggers, but the COBB cbe is dyno proven with their OTS maps.

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post #13 of 15 Old 08-21-2013, 03:42 AM
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So what your saying COBB has released a cat back exhaust for the 2008-13 STI sedan. Where can I find this. And is there a sound clip ? I've looked on their website and there's nothing.
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post #14 of 15 Old 08-21-2013, 07:04 AM
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Quote:
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So what your saying COBB has released a cat back exhaust for the 2008-13 STI sedan. Where can I find this. And is there a sound clip ? I've looked on their website and there's nothing.
Nothing on the COBB Tuning website yet -- the sales site hasn't been updated since its release but you can call 866-922-3059 and get on the wait list!

Sound clip on the dyno:
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post #15 of 15 Old 08-24-2013, 03:16 AM
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That's good to hear. I live about 45 minutes from COBB in plano.
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