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

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Old 12-09-2010, 10:39 AM   #1
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Benefit to Quieter Exhaust?

Why yes, there is! I recently installed a 3" SS Magnaflow Competition catback and it was positively "quiet" (very deep and rumbling) compared to the stock system w/ resonator (L99) and no mufflers. I liked this setup and was happy with it. It was very "natural" sounding. But there was HP to be released in my supercharged setup so I made the switch. Very happy with the results in that department.

So what is the benefit to a quieter exhaust you ask?

I can hear the supercharger howl now!!
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Old 12-09-2010, 11:59 AM   #2
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Interesting, I might have to try that.
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Old 12-09-2010, 01:25 PM   #3
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Interesting, I might have to try that.
Exactly why I posted it....
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Old 12-09-2010, 01:31 PM   #4
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I prefer noise.
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Old 12-09-2010, 01:32 PM   #5
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that's why I like a loud SC like the Magnacharger with the cog, then you can still hear the SC with a loud exhaust.
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Old 12-09-2010, 01:45 PM   #6
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are you saying that you gained HP with the addition of a catback?

I think you may be the first.
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Old 12-09-2010, 03:09 PM   #7
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Any drone with the magnaflow?
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Old 12-09-2010, 03:46 PM   #8
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Quote:
Originally Posted by Bell040 View Post
are you saying that you gained HP with the addition of a catback?

I think you may be the first.
Remember, the car is 'charged so it benefits more than an NA.... Also I still had the resonator in place...
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Old 12-09-2010, 03:54 PM   #9
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Any drone with the magnaflow?
It is less than the modified stock setup I had and almost immeasurable really. I am only running DT shorties, no long tubes. :(

You can hear it when you lay into it but again it is a much deeper tone. It is starting to "wake up" as I get more and more miles on it.

I would love to be able to hear it from outside the car but the wife is scared to drive it!
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Old 12-09-2010, 04:25 PM   #10
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Damn. I was hoping to find someone local with a blower, longtubes and a 3" exhaust without drone so I could see which company I need.
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Old 12-09-2010, 04:26 PM   #11
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Oh wait, there are none.





would love to see some.....

BL
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Old 12-09-2010, 04:38 PM   #12
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It's quieter than a muffler delete but I definately wouldn't call it quiet. I've got about 1.5k miles on my 3" Magnaflow and I think is sounds pretty damn good. Definatley has a deep rumble to it. I wouldn't complain if it was ever so slightly louder but I wouldn't want much more at all.

As far as drone.....I haven't heard any yet. I use to hear it with my muffler delete for sure.

Decel popping was fairly constant with the muffler delete and almost completely gone now. So....for those that like the decel popping the 3" Magnaflow is NOT for you.
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Old 12-09-2010, 04:45 PM   #13
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Now if only Magnaflow would sponsor me. =P
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Old 12-09-2010, 05:28 PM   #14
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Quote:
Originally Posted by Mindz View Post
Damn. I was hoping to find someone local with a blower, longtubes and a 3" exhaust without drone so I could see which company I need.
Sorry man, don't wanna have to deal with the smog nazi's and have to remove them when the time comes plus the re-tune to kill the codes they cause etc etc....But I think that if there was a system out there that would be daily driver livable with longtubes it would be this one. They also have a "street" version which is even quieter IIRC.
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Old 12-09-2010, 05:33 PM   #15
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Quote:
Originally Posted by Bruce_Lee View Post

Oh wait, there are none.





would love to see some.....

BL
Sorry, didn't think pics of SS exhaust was a needed thing. BUT, I do have one for the Maggie which is MUCH nicer!
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Old 12-10-2010, 12:13 AM   #16
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Quote:
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I prefer noise.
HUH? Can you repeat that, I can't hear you.
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Old 12-10-2010, 02:12 PM   #17
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How loud is the COG DRIVE inside the cabin at idle and at 60 70 mph?

Thanks
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Old 12-10-2010, 05:25 PM   #18
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How loud is the COG DRIVE inside the cabin at idle and at 60 70 mph?

Thanks
Don't have a COG drive on mine....
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Old 12-11-2010, 11:21 AM   #19
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Originally Posted by hypurone View Post
Sorry man, don't wanna have to deal with the smog nazi's and have to remove them when the time comes plus the re-tune to kill the codes they cause etc etc....But I think that if there was a system out there that would be daily driver livable with longtubes it would be this one. They also have a "street" version which is even quieter IIRC.
Meh, your already screwed with those bastards... your intake does not have an EO number, and as far as I know no one has an EO for a blower yet either (I know they are working on them but I don't think anyone has approval yet). So go for it... you have a couple years until you have to smog it anyhow. Gotta love the tree hugging nazi's we know as CARB...
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Old 12-11-2010, 11:26 AM   #20
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One down side of after market exhausts? One of the H-Town Camaro club members was ticketed for loud exhausts on his way to a C&C (Houston,TX). The exhaust was not aggressive. You may want to read the rules in your city. He was pulled over for speeding though so one thing led to another.
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Old 12-11-2010, 12:34 PM   #21
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Quote:
Originally Posted by Beyond Limits View Post
Meh, your already screwed with those bastards... your intake does not have an EO number, and as far as I know no one has an EO for a blower yet either (I know they are working on them but I don't think anyone has approval yet). So go for it... you have a couple years until you have to smog it anyhow. Gotta love the tree hugging nazi's we know as CARB...
True, but the intake takes me 20mins to swap vs how long for LT's... The blower DOES have the EO. I have the sticker on the car AND the printout info from the CARB site.
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Old 12-11-2010, 04:36 PM   #22
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I have the same Magnaflow Comp cat back, but with LT's and an offroad x-pipe...and I think it is plenty loud. You are right, there is no drone, and the tone of it is really nice. Great system overall!!
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Old 12-11-2010, 05:12 PM   #23
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True, but the intake takes me 20mins to swap vs how long for LT's... The blower DOES have the EO. I have the sticker on the car AND the printout info from the CARB site.
I did not realize they had gotten their EO for the Maggie. Well that changes everything...
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