High Performance Exhaust

[pharmd]

Originally Posted by CamaroSpike23

btw... the SS will have a 6.2L set up very different than the 4.6L used in that test.

flow is flow, sound is sound, but when you are comparing two different motors to figure out what is best, it doesnt work.

same thing as the flowmaster exhaust. they sound great on mustangs, but sound like ass on 3rd and 4th gen f-body's. Magnaflow sounds great on both.

Like I said, the SS makes more power, ie from a power production standpoint, the more inferior flowing muffler designs (which performed poorly in this mustang test), will perform as a percentage, even worse vs the better performing mufflers, on a higher hp/tq car.

The tests ARE applicable, only exacerbated even more, to the good or bad, since the LS3 makes more hp/tq vs the lesser 4.6. The systems are BOTH true dual, x pipe designs, using exhaust manifolds, almost identical in design, save the piping diameter, which probably is only a 1/4" or so smaller on the mustang. Could that affect sound, sure, will it affect power, sure, but the rankings unlikely, the power numbers will just be higher from a higher hp motor.

Plus, trying to re-create a similar comparison would be nearly impossible, and since this is the best anyone has, comparing this many exhausts, I for one am willing to use it...it has be posted and used numberous times on LS1tech.

I had a flowmaster initially on my LT1 car...it was no where in the same league soundwise as a mustang...the exhaust systems though are TOTALLY different in design, true dual (mustang) vs single-in-dual out f-body (with one cat on my 94'), so the expectation would be different sound. Chevy did a great thing going to the true dual set up on the new SS, it will allow superior flow and superior sound...

For my budget the best compromise of sound and power will likely be in the form of a magnaflow exhaust...usually all stainless design, good flowing mufflers and usually not overly loud, and best of all affordable...$0.02

[The_Blur]

When it comes to exhausts, I think it is very important to know that every car is different, and so is every exhaust. Names are not as important as performance, so we have to remember that any exhaust can produce better numbers than any other based on design. Some people get really attached to that one they had on their last car, but a different company may have done better research and development, leading to a more specialized product for your car. The only way to properly compare exhausts is to find some sort of independent testing and a whole bunch of sound clips. Seek out as many dynos as possible of cars with no other modifications than the part you are investigating.

[Mr Twisty]

nice quiet drive by GMMG chambered (w/cats I'm sure. Open chambered exhaust rattles your neighbors windows)

hi speed fly-by sounds gooood.

[CamaroSpike23]

Originally Posted by pharmd

Like I said, the SS makes more power, ie from a power production standpoint, the more inferior flowing muffler designs (which performed poorly in this mustang test), will perform as a percentage, even worse vs the better performing mufflers, on a higher hp/tq car.

The tests ARE applicable, only exacerbated even more, to the good or bad, since the LS3 makes more hp/tq vs the lesser 4.6. The systems are BOTH true dual, x pipe designs, using exhaust manifolds, almost identical in design, save the piping diameter, which probably is only a 1/4" or so smaller on the mustang. Could that affect sound, sure, will it affect power, sure, but the rankings unlikely, the power numbers will just be higher from a higher hp motor.

Plus, trying to re-create a similar comparison would be nearly impossible, and since this is the best anyone has, comparing this many exhausts, I for one am willing to use it...it has be posted and used numberous times on LS1tech.

I had a flowmaster initially on my LT1 car...it was no where in the same league soundwise as a mustang...the exhaust systems though are TOTALLY different in design, true dual (mustang) vs single-in-dual out f-body (with one cat on my 94'), so the expectation would be different sound. Chevy did a great thing going to the true dual set up on the new SS, it will allow superior flow and superior sound...

For my budget the best compromise of sound and power will likely be in the form of a magnaflow exhaust...usually all stainless design, good flowing mufflers and usually not overly loud, and best of all affordable...$0.02

but the thing to keep in mind is the fact that while they are both true dual exhausts, different size tubing being used, different baffles/chambers being used all have their part to play. a design that works for the mustang might not work for the Camaro.

in a broad sense, yes you can use that test to compare, but until these companies put something on this car and compare them, its not much use. +


and with the single-in dual-out vs true dual, its hard to fight for flowmaster when every other catback manufacturer's exhaust sounded 10 times better on f-body's with the same single-in dual-out design.

[pharmd]

Originally Posted by CamaroSpike23

but the thing to keep in mind is the fact that while they are both true dual exhausts, different size tubing being used, different baffles/chambers being used all have their part to play. a design that works for the mustang might not work for the Camaro.

in a broad sense, yes you can use that test to compare, but until these companies put something on this car and compare them, its not much use. +


and with the single-in dual-out vs true dual, its hard to fight for flowmaster when every other catback manufacturer's exhaust sounded 10 times better on f-body's with the same single-in dual-out design.

Oh I would agree, "blowmaster" sucks...I have the 3 chamber on my 65 chevy, 355 decent sized cam, with LT headers, 2 1/2" exhaust and H pipe, it sounds killer...like a fox body 5.0 stang, but I personally don't plan on that getting any where near my SS. My wife will be driving it and I have orders, NOT LOUD, so I have to find a compromise of power/quiet. Soon enough, hopefully, we will see our options and be able to make some decisions...its an exciting time, if the economy doesn't ruin it for us.

[CamaroSpike23]

Originally Posted by pharmd

Oh I would agree, "blowmaster" sucks...I have the 3 chamber on my 65 chevy, 355 decent sized cam, with LT headers, 2 1/2" exhaust and H pipe, it sounds killer...like a fox body 5.0 stang, but I personally don't plan on that getting any where near my SS. My wife will be driving it and I have orders, NOT LOUD, so I have to find a compromise of power/quiet. Soon enough, hopefully, we will see our options and be able to make some decisions...its an exciting time, if the economy doesn't ruin it for us.

electric cutout....

[CWI]

I will be going LT headers and custom from there but will be waiting to see some posts on performance improvement and actual dynos to see what i'm going to get.

[pharmd]

Originally Posted by CamaroSpike23

electric cutout....

X2...just flip a switch and game on!

[Camarino]

I may be wrong, but doesnt BORLA make CatBack exhaust? like magnaflow and flowmaster too. if im wrong or this was mentioned alreadyplease have mercy lol

http://www.borla.com/

[Camarino]

ok i was right this was a repost sorry guys

http://www.camaro5.com/forums/showth...d=1#post306883

lol btw JEGS already has the exhaust and borla headers for the camaro

http://www.jegs.com/webapp/wcs/store...rm=2010+camaro

http://www.jegs.com/i/Borla/157/140281/10002/-1

[SummoneR]

Originally Posted by taz

Quick question. My dealer didnt know if GMPP shorty headers and catback exhaust would void the cars warranty. He said that it probably will. Does anyone know for sure?

Thanks,
Taz

I know that in California, in order to void your warranty, the dealer has to prove that what you did caused the problem. Let's say for example you replaced the gears in the rear and your stereo stops working... and the dealer says sorry you voided your warranty by placing aftermarket gears in the car therefore your entire warranty is void... They have to prove that the gears stopped the stereo from working. That is an extreme case of course but it has been known to happen. Basically they burden of proof is on the dealer to prove what you did caused the failure. So be careful, if you mod your motor and it blows up, even while driving under normal conditions... chances are they wont cover it.

EDIT: At least that's the way I understand it.

[tylermoore]

My dad sells flowmasters and prebent pipes and tips as well as cat's
PM if interested once our camaros get here

[MRSBMCS]

What would glass packs 18" be like?
I really really want mine to sound like my dad's 442! Not high pitched like some of these cars today.
TIA! I hope I'm not way out of the ball park.
My husband called them purple hornies, but he may be yanking my chain?

[Rodrunner]

Originally Posted by MRSBMCS

What would glass packs 18" be like?
I really really want mine to sound like my dad's 442! Not high pitched like some of these cars today.
TIA! I hope I'm not way out of the ball park.
My husband called them purple hornies, but he may be yanking my chain?

Your husband's not BS'ing you. Purple Hornies glasspack mufflers are still made by Flowtech. You certainly can't get cheaper loud, low restriction mufflers than glasspacks, but I can't vouch for the sound. I had some Thrush glasspacks on my Roadrunner many, many years ago and liked them at the time, but was it better than today's sound? If you're talking 442 though, if not stock, it probably had glasspacks of some sort on it.

One problem might be the return sensor tubes on the Camaro muffler, at least the upgrade muffler shown below has them and I imagine the stock mufflers too. Also, glasspack's may be too loud to be within legal limits....if you happen care about that. Good luck!