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

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Old 06-11-2012, 11:38 AM   #1
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Axle Back vs. Catback-SOUND

So ive been looking at exhaust set ups for my Camaro SS. After going back and forth on The Borla ATAK vs The Borla S-type, I think ive decided on the S-type. I am still back and forth on Axleback vs Catback. I know to go with Catback for the LT's down the road. Strictly from a SOUND standpoint, Is there any difference in sound between the Bora S-type Axle back vs the Borla S-type Catback? Ohh and ill be doing a CAI inc Cold air intake too
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Old 06-11-2012, 11:44 AM   #2
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If you are staying 2.5" then you really don't need to go catback. Not saying don't as a lot do, but it doesn't make enough difference hp wise if you plan on staying 2.5 to justify the cost. That said, you can usually pick up a used system for about the same as an axleback then it's cost effective.
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Old 06-11-2012, 11:54 AM   #3
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My experience with this comes from Corvettes. I assume the answer is the same for Camaros.

The quality of the idle provided by a cat-back system is better than an axle-back system, in my opinion.

The stock h-pipe just isn't as good a crossover as the aftermarket x-pipes.

An axle-back system tends to have a "motor-boat" idle.

My Camaro is an automatic car. I went with a Corsa cat-back. The stock resonator has got to be awfully restrictive. The car's responsiveness tells me it's breathing a lot better.
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Old 06-11-2012, 11:56 AM   #4
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Originally Posted by Birm View Post
If you are staying 2.5" then you really don't need to go catback. Not saying don't as a lot do, but it doesn't make enough difference hp wise if you plan on staying 2.5 to justify the cost. That said, you can usually pick up a used system for about the same as an axleback then it's cost effective.
Yeah buying all that piping twice seems a little bit of a waste to me. Unless i go 3'' like you said. How about the sound??
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Old 06-11-2012, 12:22 PM   #5
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Originally Posted by BluegraSS View Post
My experience with this comes from Corvettes. I assume the answer is the same for Camaros.

The quality of the idle provided by a cat-back system is better than an axle-back system, in my opinion.

The stock h-pipe just isn't as good a crossover as the aftermarket x-pipes.

An axle-back system tends to have a "motor-boat" idle.

My Camaro is an automatic car. I went with a Corsa cat-back. The stock resonator has got to be awfully restrictive. The car's responsiveness tells me it's breathing a lot better.
So there are quite a few issues in this statement so I will do my best to help clarify...

First h pipe on the stock system has been proven to be just as efficient as an x pipe and flows roughly the same. JRE and a few other members have tested it side by side to help prove that. That said that X is used more for scavenging at higher flows so idle really isn't affected.

And an axleback doesn't have much of a different sound then a catback. The only difference in sounds are the different types of metals used.

Lastly, our resonators have been shown to be fairly straight through design, the restrictive part is the cat, not the system behind it.
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Yeah buying all that piping twice seems a little bit of a waste to me. Unless i go 3'' like you said. How about the sound??
Sounds awesome..there is not much difference in sound other then system to system. If you got say the borla axleback, it would sound almost identical on your car to the borla catback. That said there is a sound difference between and x which most catbacks come with and the h on the stock system. That would be your only sound change and it is not significant.

X gives a slightly higher pitch/tone, the H gives a lower.

Hope it helps.
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Old 06-11-2012, 12:55 PM   #6
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Borla S

Quote:
Originally Posted by ApexedSS View Post
So ive been looking at exhaust set ups for my Camaro SS. After going back and forth on The Borla ATAK vs The Borla S-type, I think ive decided on the S-type. I am still back and forth on Axleback vs Catback. I know to go with Catback for the LT's down the road. Strictly from a SOUND standpoint, Is there any difference in sound between the Bora S-type Axle back vs the Borla S-type Catback? Ohh and ill be doing a CAI inc Cold air intake too

I have the L99, axleback Borla, CAI Inc and AFM turned off and I love the low growl at normal driving. Give her some gas and the intake and Borla's will wake you up. Happy with my setup.
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Old 06-11-2012, 02:00 PM   #7
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Thanks Birm!
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Old 06-11-2012, 02:04 PM   #8
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Thanks Birm!
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Old 06-11-2012, 08:07 PM   #9
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i would go catback. its the idea that you are getting rid of all OEM parts once headers come. just my "style" and view points. and getting rid of resonators gives it a better sound. sure you can go cheaper routes, but to be me. i dont go cheap on my car.
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