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Old 07-08-2012, 11:58 AM   #1
Yohan
 
Drives: 2012 Camaro V6 1LT
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Cat-Backs: Value, Performance & Sound

Hope all is good Camaro clansters!

Looking to upgrade exhaust, and I think the best option is to just upgrade to a Cat-Back system. What I'm after is the best performance for my 1LT possible, and nice sound as well. After consulting and reading through these forums, here are my priorities:

1. Performance: the system that helps my car release those exhaust gases the quickest, least back pressure possible, and hopefully gain a little hp/tq as result. From what I've read, a 2.25" tube system would be first choice, since the smaller diameter helps the gases exit faster and reduce backpressure. Next best would be 2.5", but nothing larger than that.

2. Sound: not looking for loud and annoying. Just a nice deep tone.

3. Looks/Finish: Don't care too much for "bling" finish. More interespted in peformance and ease of install---as long as it's lighter than the stock exhaust, .

4. Value: of course, best price possible.

Now here are some of the systems I'm looking into that meet the above criteria:

Solo Mach-X-LFX: http://solo-performance.com/v6-mach-...v6-convertible
This one is 2.25", so probably offers the best performance w/ least backpressure, sounds good, and great price.

The MBRP cat-back: http://www.phastekperformance.com/MB...t-s7020304.htm
This system is 2.5" like most others, but sounds good, and good price as well.

Corsa 2.5" Cat-back: http://www.************.com/cocatbaexfor2.html


Any advice/suggestions are greatly appreciated! Those of you who know about the 2.25" vs 2.5" theory (which of these should provide better performance?), please share your thoughts!

Last edited by Yohan; 07-08-2012 at 03:48 PM.
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Old 07-08-2012, 12:02 PM   #2
Yohan
 
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Just came accross Pyres Cat-back: http://www.phastekperformance.com/20...aust-ss-v6.htm



Very low price. They look decent, seem like they can save lot of weight vs stock, and should sound Ok.
------------------------------

There's also ARK. They had a great 4th of July special. Just missed it. They claim nice performance gains http://www.arkperformance.com/Produc...SM0403%2D0010D


Last edited by Yohan; 07-08-2012 at 12:40 PM.
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Old 07-08-2012, 12:40 PM   #3
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Ive been wanting to do this too....do axel back exaust void our warrranty?
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Old 07-08-2012, 12:44 PM   #4
Yohan
 
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Quote:
Originally Posted by Qtrofablock View Post
Ive been wanting to do this too....do axel back exaust void our warrranty?
Hear you bro. Especially in our South Florida heat and humidity, we gotta help our cars breathe.

As far as warranty issues, not really. I've checked with several dealers, and they all said that axle-backs don't void, and cat-backs either, unless GM can prove that the engine was damaged directly because of exhaust upgrade--extremly difficult.

Check this out: http://www.camaro5.com/forums/forumdisplay.php?f=70 here's a warranty thread on this site that discusses these issues, and very informative.
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Old 07-08-2012, 01:00 PM   #5
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OK because one of the reps at the one were I ive said they wont install unless there bolt on! And I was trying to stick with the dealer on most installs being that I do not now how to or have the proper tolls/work area to do anything except wash it!!!
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Old 07-08-2012, 01:07 PM   #6
Yohan
 
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Quote:
Originally Posted by Qtrofablock View Post
OK because one of the reps at the one were I ive said they wont install unless there bolt on! And I was trying to stick with the dealer on most installs being that I do not now how to or have the proper tolls/work area to do anything except wash it!!!
If u want, you could just get the GM exhaust upgrade, made by Borla. It's an axle-back, and GM covers it, and Chevy dealer installs them.

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Old 07-08-2012, 02:34 PM   #7
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Found interesting article: http://www.aptuned.com/blog/increase...easy-ways.html

basically, it argues that the most restrictive components of exhaust are mufflers and cat. Therefore, no need to speed money on cat-back system. Just replace mufflers (axle-back), and get high flow catalytic converter and save $$$.

If that's the case, the best would be system that upgrades mufflers & includes high flow cat converters. (unless the Camaro stock cats are very good and not really worth upgrading)
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Old 07-08-2012, 03:06 PM   #8
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Got an interesting PM. The person says that i should just buy the muffler myself, and then have it installed at some shop, instead of buying a system from a Company. he says that these companies just buy mufflers, put their label on it, and sell them for high prices to us. He says we can get the same mufflers they get, but save lots of money. http://shop.advanceautoparts.com/web...ip2HomeClicked=

Those Magnaflow, Flowmaster, and Dynomax mufflers on pages 2& 3 look exactly like the ones being sold to us from these very same companies, but I don't know if there's any truth to the story. If its true, then I can get two $79 performance mufflers, and get them installed at local shop for $75, and upgrade my exhause for $220-250, instead of paying $600 for axle-backs from these companies that use these very same $80-90 mufflers

http://www.mikekemper.com/elantra/diyexhaust/index.html

Last edited by Yohan; 07-08-2012 at 03:49 PM.
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Old 07-08-2012, 04:58 PM   #9
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I personally would rather just buy an axel back. It's already assembled with stainless tips welded on, brackets in place, etc. It's a savings yes, but not necessarily huge. Then I can install it myself in my spare time since exhaust shops are never open when I'm off work

I just sent a message to get a quote about a CAI/Scoop/Bottle Relocation and MRT V2.0 axel back.
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Old 07-08-2012, 05:36 PM   #10
Yohan
 
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@SimpleGreen: Those MRTV2 are great from what I've read. What I'm looking at is if there's a significant gain in performance in cat-back vs axle back. For example, the ARKs claim 12hp/9ft-lbs torque gain + the nice sound. An axle back for $500 maybe gets 1-2hp from what I've read on these forums, so its mainly sound. When you look at it, seems like you get much better performance per dollar going Cat-Back, if indeed you can gain 10hp/7-8TQ. Question is, is this true? Don't believe that reputable companies like ARK would exaggerate, but I'd rather see dyno numbers or get confirmation from experienced members saying that Cat-backs do deliver such gains.

Now, if there truly is an axle-back that can get us 5-6hp, then its basically the same hp per dollar as Cat-back, but much cheaper, and great starting point.
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Old 07-09-2012, 10:31 AM   #11
Qtrofablock
 
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So the GMPP are axel backs?
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Old 07-09-2012, 08:58 PM   #12
Yohan
 
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@Qtro ---I'm afraid so my friend. Called local dealer and they said it's an axle-back system, and confirmed its Borla made. Funny thing is that they said to actually buy them from e-bay or somewhere else, and then bring them in for install with them, lol
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Old 07-10-2012, 02:08 PM   #13
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OK I'm not sure which setup I'ma go with ! But thanks!!
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Old 07-10-2012, 02:56 PM   #14
bluecam805
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yeah ur better off buying ur parts in pieces and have the local muffler shop fill in the rest especialy for a catback.. i would go catback if you want performance numbers.. axle back is purely for sound no performance gains.

if you buy the whole setup online its gona cost you to ship and worst of all, install it.
but when you buy online, ther usualy Mandrall bent which is better air flow.

i did my entire exhaust .. cat delete and whole new catback (larger pipes, xpipe resonator, mufflers and tips) all for less than 500 including the parts and labor
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