08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

Straight Pipe Exhaust

Old 01-10-2019, 12:43 PM
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Straight Pipe Exhaust

Hey guys quick question on exhaust. I have a straightpipe on my 09 TC Cobalt and itís just a little too loud for me, what kind of muffler do you recommend to have welded onto the back to quiet it down just a tiny bit, but not be super restrictive?
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Old 01-10-2019, 01:05 PM
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I used one like this. It quieted it down a good bit. Still loud though, so might be just what your after. I get a lot of compliments on the sound.

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Old 01-11-2019, 10:17 PM
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Throw on a zzp resonator section. I'm running catless downpipe and a resonator with muffler delete and it sounds really good. Not too loud
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Old 01-13-2019, 04:31 PM
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Originally Posted by cobaltssdude420 View Post
Throw on a zzp resonator section. I'm running catless downpipe and a resonator with muffler delete and it sounds really good. Not too loud
thats pretty much how my exhaust is too. im sure the zzp resonator will quiet it down a bit more then my turbo xs resonator. my car still roars under boost.
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Old 01-14-2019, 07:51 AM
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I have a MPX catback I could sell you. Im in PA
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Old 01-14-2019, 07:54 PM
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I have a magnaflow muffler. Its quiet though. It's very close to stock.
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Old 03-11-2019, 10:41 AM
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I just installed ZZP's Catless Downpipe. So now I'm Catless DP with the Resonator and Straight Pipe all the way back. On warm up the car is unbearably loud, my neighbors expressed their anger. But driving it's glorious. You let off the throttle and just listen to all these cracks and pops, when you're on it you get this amazing noise and when you shift a nice heavy crack. I really really like it I just have to figure out a better place to park so I don't anger the neighbors in the mornings too much. This is on a 2009 Cobalt SS/TC
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