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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 09-25-2011, 09:24 PM   #1
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Tale of Two Exhausts

I'm in a serious pickle. I'm getting my Camaro any day now and I want to swap the exhaust as quick as possible, but I can't decide between the Flowmaster American Thunder and the Borla ATAK catback exhausts. If there was something with the ferocity of the ATAK but the lower tone of the AT, I would be on Cloud 9. Any ideas?
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Old 09-25-2011, 09:31 PM   #2
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I'm looking at the same thing.

Had Flowmasters AT on my 1LT and loved them but, traded it for 2SSRS. Looking at youtube for ideas. Sorry I couldn't be of any help.
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Old 09-25-2011, 10:11 PM   #3
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FlowMasters on a SS sound awesome ...
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Old 09-25-2011, 10:27 PM   #4
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TSP LTs and Flowmaster AT cost me less than 1100 and I can add QTP cutouts for 400 bringing the grand total to ~$1500 and I get a quiet cruiser and the loudest possible racer…. Or you can spend ~$1350 on just a loud exhast. Dont get me wrong… I love the sound of the ATAK but for the $ and what you get its a no brainer.
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Old 09-25-2011, 10:29 PM   #5
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its just not going to happen, if you want that deep tone, you are going to lose that ferocity. if you want loud, my opinion is resonated-X straight pipe it has the deeper tone, but has the heart pounding rumble. pure straight pipe, i had is just too much for sure. i dont like the sound from any muffler.
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Old 09-26-2011, 02:41 AM   #6
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Flowmaster outlaw series are very deep and very loud, it is currently only available as an axle back, however paired with headers and catless x pipe it sounds awesome.
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Old 09-26-2011, 07:44 AM   #7
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I built my own cat back, removed resonators and installed 1 chamber flowmasters. Very clean and mean... then went LTs and no cats and it sounds like a monster! I would go flowmaster's if you dont mind drone, they have the best sound hands down!
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Old 09-26-2011, 05:28 PM   #8
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I have the American Thunder Cat-Back. I was very very pleased with the tone and rumble of the flowmaster exhaust, but I was very disappointed with the lacking of "loudness". It sounds good at an idle, sounds good when you rev it, but overall, it's not very loud. Maybe a notch louder than the stock exhaust. It's great for a daily driver.

Exhaust note is essentially up to your own ears, and people are going to be opinionated to what they have and what they know. Im running Flowmasters on my 79 Z28, so it just made sense to use them on my '11.

I can tell you this, though... I'm already looking into headers, purely for sound (okay, and maybe the power) and it hasn't been month...
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Old 09-26-2011, 05:40 PM   #9
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just took my ATs out for Straight pipe….. its loud now lol
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Old 09-26-2011, 05:59 PM   #10
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Borla ATAK is where it is at for a aggressive exhaust. Makes a nice muscle car popping sound on de-acceleration too.
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Old 09-26-2011, 06:48 PM   #11
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Borla ATAK is where it is at for a aggressive exhaust. Makes a nice muscle car popping sound on de-acceleration too.
The popping sound happens on all exhaust systems. They don't have the pop-cancelling that the stock system does so it's much more apparant. The ATAK has nothing to do with the popping aside from being aftermarket.
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Old 09-26-2011, 10:07 PM   #12
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there are hundreds of videos out there just start playing around on youtube, dont forget the sounds seem to change when you listen to too many, so when you decide listen to the first ones again, and see what you think then.
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Old 09-26-2011, 10:17 PM   #13
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ATAK

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Old 09-27-2011, 06:31 PM   #14
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I've got Flowmaster American Thunder (axleback) and I wouldn't trade it for anything. It not only approximates the classic deep smooth roar of a muscle car in my opinion, it's also the least expensive you can buy (but still of very good quality). Borla ATAK sounds too raspy, too clackety clackety slap slap to me, but thats just my opinion, others love it.
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Old 09-27-2011, 06:45 PM   #15
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Quote:
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there are hundreds of videos out there just start playing around on youtube, dont forget the sounds seem to change when you listen to too many, so when you decide listen to the first ones again, and see what you think then.
The problem with sound clips is they really don't seem to do the systems justice. I suggest going to a club meet and sampling what others have in person.
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Old 09-27-2011, 06:53 PM   #16
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The problem with sound clips is they really don't seem to do the systems justice. I suggest going to a club meet and sampling what others have in person.
very true, but that limits you down to the systems of the people you meet, the best one might not even be there
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Old 09-27-2011, 07:38 PM   #17
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The popping sound happens on all exhaust systems. They don't have the pop-cancelling that the stock system does so it's much more apparant. The ATAK has nothing to do with the popping aside from being aftermarket.
Borla is known for the "crackle", they have it on all their systems. All exhaust does not crackle. That being said.....

I LOVE MY ATAK!!! LOL
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Old 09-27-2011, 07:40 PM   #18
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go with Flowmaster
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Old 09-27-2011, 08:13 PM   #19
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very true, but that limits you down to the systems of the people you meet, the best one might not even be there
Right you are. I've been shopping for months, and have switched at least 3 times on what system I want. The Flowmaster AT had me for a long time. Then I heard two different Camaro's with the ATAK, and I wanted it. Ultimately, I decided on a 3" system, and chose the SW Retro Chambered. Never heard one in person, so I hope I'll like it. We'll see by the end of the week...
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Old 09-27-2011, 08:45 PM   #20
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Man this is a fun subject. I have had the Magnaflow street catback, the magnaflow competition cat back and the flowmaster AT catback.

1st was flowmaster AT catback. (decided it was a little loud)
2nd Magnaflow Street (decided it was to popcorny and weak)
3rd Magnaflow Competition Axle Back (sounded like glasspacks :Vomit: )
4th Went back to flowmaster AT catback ( low, aggressive, Old muscle sound)
5th I think I am going to go with the JBA competition catback to match my headers.. it sounds INCREDIBLE! and its a good bridge between the weak and the throaty.

My two cents.. I've also had doug thorley longtubes 1 3/4 and JBA longtubes 1 7/8
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Old 09-27-2011, 09:01 PM   #21
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AMERICAN THUNDER!!!!!!!!!!!!!!
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Old 09-27-2011, 10:33 PM   #22
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So many exhausts!!! I'm not an expert on exhausts by any means, i've still got alot to learn so my next question is, if I get the AT and long tube headers, will it produce a louder sound and retain the lower growl?
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Old 09-28-2011, 08:52 AM   #23
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So many exhausts!!! I'm not an expert on exhausts by any means, i've still got alot to learn so my next question is, if I get the AT and long tube headers, will it produce a louder sound and retain the lower growl?

You need to find some one in your area that has what you are considering and hear it in person.

I don't know where "whittier" is but I'm in San Diego.
If you want to hear my set up in person we can do that.... My set up explained above (videos).
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Old 09-28-2011, 09:07 AM   #24
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Flowmaster AT is SIK, had it on my 1LT and loved the quality sound but i guess the DRONE level got to me in the end and had to replace them with CORSA catback system.

Had the Flowmaster AT on my ex Corvette C6 and it was the shizZle! !
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Old 09-28-2011, 09:19 AM   #25
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I have the American Thunder Cat-Back. I was very very pleased with the tone and rumble of the flowmaster exhaust, but I was very disappointed with the lacking of "loudness".
add some HiFlowCats and/or headers.
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