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Old 08-24-2014, 05:46 PM   #1
duck899
 
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Exhaust recommendations for an L99

OK, this is a great forum and I'm looking at some options for the lacklustre exhaust note of my L99. It is quieter than my 2013 avalanche
I'm not sure if I want to go full out or cat back or can you do from those huge mufflers back?
I had a 2011 5.0 mustang and replaced its mufflers with Shelby 500's and it was great.
Any opinions and suggestions appreciated. I'm heading over to the magnaflow and other websites to look and listen to soundclips.

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Old 08-24-2014, 05:52 PM   #2
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mine came with the GM Performance exhaust which is the Borla but i was going to go with Flowmaster American Thunder 40 series.
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Old 08-24-2014, 06:05 PM   #3
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Corsa cat back.
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Old 08-24-2014, 06:32 PM   #4
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On my 2010 I ran a Borla "S" type cat back and loved it, it did have a bit of a drone at hwy speeds though.
Then went to Dynatech long tube headers with High flow cats into the Borla cat back and fell in love all over again....
I am about to do a full Dynatech exhaust on my 2014 in about a week and can't freakin wait.
So that will be Long tube headers (ceramic coated) High flow cats, and cat back exhaust all Dynatech this time.
Personally I have found the corsa a little to raspy, but to each their own.
All Camaros sound good no matter what....lol

Here is a link to get you started, search out different types of exhausts on you tube to get an idea of what you might like.
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Old 08-24-2014, 06:38 PM   #5
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1 7/8 lt's and hf cats.
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Old 08-24-2014, 06:49 PM   #6
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I waited for the Solo J=Pipe axle backs to come on the market. Love them and no drone at any RPM on my L99 SS.
Believe me, I doubt you will want anything louder as they are a muffler delete system.
Video sound clips are not accurate on line imo.
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Old 08-24-2014, 08:34 PM   #7
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Quote:
Originally Posted by Tenring View Post
Corsa cat back.
This is likely what I'll go with in the next few months. The only thing I'm not crazy about is all the extra clamps. Maybe get part of of it welded up once fitted without rattles. There is one decent video I found. I'll try and find it and post it up. Here it is:

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Old 08-24-2014, 08:42 PM   #8
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Exhaust

Check out Stainless Works Retro Chambered cat back. It sounds great.
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Old 08-24-2014, 09:12 PM   #9
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Quote:
Originally Posted by RobertRS View Post
This is likely what I'll go with in the next few months. The only thing I'm not crazy about is all the extra clamps. Maybe get part of of it welded up once fitted without rattles.
No rattles here, was thinking of welding it up in the future though just to be sure. I just really like the sound, not obnoxious as a daily driver, but screams when you get on it. Espically after I Added a CAI and a scoop.
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Old 08-24-2014, 09:36 PM   #10
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Quote:
Originally Posted by Tenring View Post
No rattles here, was thinking of welding it up in the future though just to be sure. I just really like the sound, not obnoxious as a daily driver, but screams when you get on it. Espically after I Added a CAI and a scoop.
Seems our Camaros are destined to be even more alike in the near future. One mod at a time.
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Old 08-24-2014, 09:48 PM   #11
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Go with a Corsa catback you won't regret it.No drone and it comes alive when you put your foot in it.
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Old 08-24-2014, 09:51 PM   #12
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Go with a Corsa catback you won't regret it.No drone and it comes alive when you put your foot in it.

Nice looking ride you have there Ohten.
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Old 08-24-2014, 11:48 PM   #13
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magnaflow muffler delete...solo hi flows with jba shorty headers...i kept the stock l99 resonator.
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Old 08-25-2014, 07:44 AM   #14
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Quote:
Originally Posted by myold88 View Post
I waited for the Solo J=Pipe axle backs to come on the market. Love them and no drone at any RPM on my L99 SS.
Believe me, I doubt you will want anything louder as they are a muffler delete system.
Video sound clips are not accurate on line imo.
Love my Solo axle-backs w/ J-pipes and indeed... video clips don't do them justice.

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