I understand being catless creates more noise, BUT! I'm sure the right muffler can bring it down some, Does anyone have experience or a recommendation for a quiet muffler?

I was looking at the dynomax super turbo, well I bought one and it was the wrong offset, but I clamped it on for a sound test before returning it, and it really doesn't sound that much different from my borla straight thru muffler, Any one I know about walker quiet flow? or maybe something else that is quieter?

Thanks

 

found this thread, maybe the guy with the SS is here Walker's Quiet-Flow muffler - Performance Forum - j-body.org - the jbody organization

 

I am catless with the zzp lth, 30" resonator and an 18" superturbo muffler, it is pretty quiet when it is warm outside, but when it is cold it is a bit raspy...mainly due to me being catless

 

I have a 18in resonator and tried a super turbo and it still seems pretty loud mmmm... Im sure the 30'' res helps

 

yeah it probably does, it's basically a skinny cherry bomb style res. How long did you have it on your car? It took mine a few weeks to break in completely.

 

The borla has been on for 4 days haha, and the super turbo 2 minutes since I bought the wrong fitment and returned it tonight, offset/offset instead, it needs to be offset/center.
But after hearing it Im a little apprehensive of buying another in fear they may be better out there.

Joe schulte a member here said there is a thread about using one with "a built in spring valve that opens under heavy load and that most people recommend the V8 version as the spring is better for the flow we push on these boosted cars."

 

I actually have a ZZP Whisper Resonator that was rebuilt by ZZP (inside welds gave), its a 2.5". They dont offer them anymore, but before mine fell apart, it sounded AWESOME! I LOVED it, and was quiet even though I dont have a cat. Here is the link to ZZP's website: Cobalt & Ion ---> ZZ Performance

The only reason I didnt put it back on is because my car is my daily, and when it broke, I had to send it in for repair, and couldnt wait till it got back, so I had to put a different one on, and dont want to keep paying to swap them.

It was originally $150, I will sell it for $75 shipped, it is an amazing piece. PM me if you are interested.

 

tom, you're supercharged. you'll a loud exhaust no matter what. You remember my exhaust? And that **** was catted.

 

Understood, but Im not even talking about in boost + you had a can

 

Damn got me worried now. Im putting mine on here soon. But im stock dp so I should be ok right? Lol

 

maybe^ all I know is people made it sound like it was quite and it was not lol

 

I hope it's more quieter than my fart can I have on now, if not Ill be pissed

 

apparently this is quiet

Stainless Works - Performance Exhausts and Headers

 

It will be better then a can, thats for sure.

 

yea I have a friend here in houston with one. not too bad at all.
YouTube - 2007 Chevrolet Cobalt SS Supercharged - TVS + Stainless Works muffler

http://www.youtube.com/user/pyros777#p/u/7/zLJtAplSP9M

 

haha yea I heard that from pyro

 

See thats all I want, the exhaust not to over take the whine.

 

from what i've seen, only GMPP cat back or stainless works muffler can do that.

the muffler is expensive tho...

 

yea it sure is, but quality pays, Im still doing a little more research

 

the`stok muff sounds great catless

 

I have thought about that to^ and its definitely an option, only issue is my system is designed for a straight through muffler and the stock is slightly offset, BUT it may work with some tweaking.

 

found something interesting
https://www.cobaltss.net/forums/2-0l...t-last-220709/

 

Sounds awesome but after searching I found tons of threads about them breaking, was the fix a revision or a band aid fix?

 

o man, just went through so many threads from 2008 to 2011 my head hurts, info overload.

 

Lol well do let us know what you end up going with cuz i will be looking for the quietest set up pretty soon as well