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

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Old 04-19-2010, 11:39 AM   #1
rdblan2

 
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swapped stock mufflers for flowmasters today

I think the camaro should sound like a muscle car. I wanted loud. The exhaust place told me the flowmaster 40s I wanted them to replace my stock mufflers with would be too loud and tried to sell me the magnaflows so they'd be quieter. No thanks fellas, I want LOUD, put the flowmasters on.

So that's exactly what they did. I simply replaced my stock mufflers with flowmaster original 40 series.

I gotta say, the car sounds like a four cylinder with a fart can inside. Outside, there isn't much change in tone at idle. I'm not a fan. What's the deal? I've had 40s on my pickups for years and loved them.

Should I cut out the factory resonators? Will that change my sound to get what I want? I want the loud rumble of a V8 that I'm used to in my pickups.
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Old 04-19-2010, 11:42 AM   #2
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what did it cost you inc. labor.i am also wanting to replace mine.
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Old 04-19-2010, 11:49 AM   #3
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$300. I bought the mufflers there so I didn't have to wait. Could probably have saved a bit buying them somewhere else though. It is not the sound I had hoped for.
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Old 04-19-2010, 11:52 AM   #4
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do you have an automatic? the stock resonator plays a huge role in overall sound.

ditch the resonators for an x-pipe and disable AFM with a tune or programmer.
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Old 04-19-2010, 11:59 AM   #5
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Yep, it's an automatic. If the resonator delete will change the tone, I'll get that hacked off tomorrow morning. Don't want to void my warranty with a tune.

Honestly, the car sounds better turned off right now than when it is running.
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Old 04-19-2010, 12:02 PM   #6
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well after you remove the resonator, i guarantee the AFM will annoy the crap out of you enough to get a tune!
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Old 04-19-2010, 12:04 PM   #7
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Good gravy. Guess I just burned $300 then. I'd rather go back to stock than have what I have right now. It seriously sounds like a 4 banger w/ a fart can.
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Old 04-19-2010, 12:09 PM   #8
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Quote:
Originally Posted by rdblan2 View Post
Good gravy. Guess I just burned $300 then. I'd rather go back to stock than have what I have right now. It seriously sounds like a 4 banger w/ a fart can.
You can try running around in M mode and paddle shifting. I avoid AFM 98% of the time this way on mine. Even on the freeway. It doesn't engage unless I move the shifter to D! Plus I love the paddles!!
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Old 04-19-2010, 12:09 PM   #9
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just wonder how the cherry bombs would sound?
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Old 04-19-2010, 12:12 PM   #10
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Should of bought the American Thunder system by Flowmaster my sounds Bad Ass!!
http://www.flowmastermufflers.com/index.php?page=86


Check out the Video!!
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Old 04-19-2010, 04:35 PM   #11
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should of just gotten straight pipes, it sounds mean and it was only $150
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Old 04-19-2010, 04:36 PM   #12
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Will be trying the American Thunder system if I can't get this thing sounding better. Seems like it's just a straight through from the cat converter back to two flowmaster mufflers. Looks like I'm just missing a resonator delete. Round straight pipe is round straight pipe.
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Old 04-19-2010, 04:58 PM   #13
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Should of bought the American Thunder system by Flowmaster my sounds Bad Ass!!
http://www.flowmastermufflers.com/index.php?page=86


Check out the Video!!



I have the same system on mine, and makes me all giddy !!!
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Old 04-19-2010, 04:59 PM   #14
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I have the American Thunders on mine and I love the sound. I plan on uploading a video in a couple days.
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Old 04-19-2010, 05:45 PM   #15
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I installed the Flowmaster American Thunder kit last week and it ROCKS!! Sounds Awesome!
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Old 04-19-2010, 07:06 PM   #16
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this is all you'll need to do ... the resonators on the L99 do a good job and no need for any mufflers..
that's all I got .. love um
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Old 04-19-2010, 08:57 PM   #17
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Dude, if you just want pure LOUD, then get their single-chamber mufflers. Here's three vids of those in action:

One

Two

Three

Some of them have different setups, but they all use the same mufflers. You get the picture.
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Old 04-20-2010, 12:07 AM   #18
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nuclearenvoy can we get a part number for those i cant find those single chamberd exhaust on the website
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Old 04-20-2010, 12:13 AM   #19
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Quote:
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just wonder how the cherry bombs would sound?

It is posted for all to enjoy.

http://www.camaro5.com/forums/showth...t=56584&page=2
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Old 04-20-2010, 09:24 AM   #20
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Meh. I've had enough of this guessing. Who has the best price for the flowmaster AMT system?
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Old 04-20-2010, 10:12 AM   #21
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Quote:
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nuclearenvoy can we get a part number for those i cant find those single chamberd exhaust on the website
http://www.flowmastermufflers.com/index.php?page=114

There you go. Just make sure to find the correct fit.
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Old 04-20-2010, 10:59 AM   #22
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Ordered from LMP.
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Old 04-20-2010, 11:17 AM   #23
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all you had to do was remove the resonator and h-pipe and replace it with a magnaflow x-pipe and straight piping to the flowmasters and there's the AMT catback for cheaper. hey w/e floats ya boat man.
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Old 04-20-2010, 11:23 AM   #24
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I have the flowmaster American thunder cat bck in for 2 weeks now, not so loud at idle but when i get on it its got that nice deep 60's muscle car rumble. as for AFM kicking it sounds like sh&* , Im actually tring to trade in for a manual LS3 right now, hate AFM.
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Old 04-20-2010, 12:58 PM   #25
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Meh. I've had enough of this guessing. Who has the best price for the flowmaster AMT system?
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Ordered from LMP.
Good decision imo. As I shared in another thread I made, I wasted alot of money trying to fix an exhaust mod (muffler delete). After many little mods and many dollars later, it still was not fixed (now currently sitting on flowmaster 40's as well). You were smarter than me and just went with a full proven system. I ordered Corsa.

Hope it works out for you.
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