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post #1 of 15 Old 01-19-2010, 09:12 PM Thread Starter
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Muffler Delete Question

Made an appointment to get my mufflers removed and put straight pipe in place. My question is, has anyone removed the resonator also and put straight pipe in place? What would that do to the sound along with the muffler delete? It is the manual with the LS3 so no AFM to worry about. Any suggestions welcome. Thanks.
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post #2 of 15 Old 01-19-2010, 09:35 PM
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on a manual car the resonator isnt too big a deal on the A6 cars it will make a difference in your case im going to say it probably wont make a big difference the stock set up on the LS3 cars has an H pipe already and the resonators arent too big.

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post #3 of 15 Old 01-20-2010, 07:46 AM
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if you want to do it the cheap route, just remove the mufflers, add straight pipe in, and replace the stock h-pipe on your M6 with a magnaflow x-pipe and it will sound awesome!

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post #4 of 15 Old 01-20-2010, 08:05 AM
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Quote:
Originally Posted by sfgiantsfan9 View Post
Made an appointment to get my mufflers removed and put straight pipe in place. My question is, has anyone removed the resonator also and put straight pipe in place? What would that do to the sound along with the muffler delete? It is the manual with the LS3 so no AFM to worry about. Any suggestions welcome. Thanks.
IMO street cars without mufflers sound terrible, not to mention the loss in low end power.

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post #5 of 15 Old 01-20-2010, 08:22 AM
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Quote:
Originally Posted by sfgiantsfan9 View Post
Made an appointment to get my mufflers removed and put straight pipe in place. My question is, has anyone removed the resonator also and put straight pipe in place? What would that do to the sound along with the muffler delete? It is the manual with the LS3 so no AFM to worry about. Any suggestions welcome. Thanks.
I have the muffler delete and I think the car sounds perfect, has some crackling when you leave off, but thats it. I have the Magnaflow pipe in my trunk but am waiting until Spring to install in case I get a Short throw shifter. I would personally think it may be way to loud without the resinators, but I could be wrong. If you click on the link in my signature, I have a video of my car being dynoed, you can hear it there if that helps....

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post #6 of 15 Old 01-20-2010, 08:29 AM
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IMO street cars without mufflers sound terrible, not to mention the loss in low end power.
i would agree with you if we were talking about a 93-02 camaro, but the stock mufflers on these cars are already pretty free flowing. if you look at any axle-back system that is made, they don't post horsepower gains, because it is pretty much negligible. the main power loss in the factory exhaust system is from the exhaust manifolds to the h-pipe/resonator. and the cats are what keeps the little backpressure in the exhaust from losing the low end power... if you remove the cats and had straight pipe, then there would be no back pressure and loss of that low end power (really only recommended for high horsepower track cars).

as for the sound... to each his own! just make sure you get the decel popping tuned out if you don't like that sound.

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post #7 of 15 Old 01-20-2010, 01:53 PM
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Quote:
Originally Posted by RedJewel2SS View Post
i would agree with you if we were talking about a 93-02 camaro, but the stock mufflers on these cars are already pretty free flowing. if you look at any axle-back system that is made, they don't post horsepower gains, because it is pretty much negligible. the main power loss in the factory exhaust system is from the exhaust manifolds to the h-pipe/resonator. and the cats are what keeps the little backpressure in the exhaust from losing the low end power... if you remove the cats and had straight pipe, then there would be no back pressure and loss of that low end power (really only recommended for high horsepower track cars).

as for the sound... to each his own! just make sure you get the decel popping tuned out if you don't like that sound.
I looooooooove me some decel popping..the S-10 would do that all the time.



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post #8 of 15 Old 01-25-2010, 12:12 AM
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I muffler deleted my 00 Z for a while left cats in though. It sounded pretty good, WOT was freaking nutz. 45 mph drone got annoying and I finally put a the flowcrapper on. When I gutted the muflers on the GTO I drove it around the block to hear it without mufflers. It didn't sound that bad either but again I still had the cats and resonator.

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post #9 of 15 Old 01-30-2010, 07:32 PM
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I have the Loudmouth on mine which is basically a muffler delete lol and its actually pretty quiet still. It is a little louder and IMO it sounds good and does have the crackling from the decel which once I get my HP Tuner I will be fixing that I just keep my foot on the gas a bit to keep everything flowing so it doesnt do it.



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post #10 of 15 Old 01-30-2010, 08:42 PM
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I have Magnaflows on mine and fixing to delete resonators and put in an Magnaflow x-pipe

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