C63 AMG (W204) 2008 - 2015
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My C63 is a little too loud.

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Old May 1, 2016 | 12:03 AM
  #1  
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C63 AMG
My C63 is a little too loud.

Hey guys. i have Agency Power Headers, and Secondary cat delete.

cold starts in the morning are especially nice and loud.

I LOVE the way the car sounds.

however i do wake up early, and im sure my neighbors dont love it as much as i do.

they haven't complained yet, but i do feel a bit guilty.

is there a less restrictive muffler then OEM that will quite it down a bit?

thanks guys!


obligatory cold start video..

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Old May 1, 2016 | 12:08 AM
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akrapovic will do the job
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Old May 1, 2016 | 12:11 AM
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i was hoping to modify my OEM exhaust. im the second owner of this car and the previous owner did this. dont want to spend a fortune.

but i do love Akrapoic they make amazing products!
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Old May 1, 2016 | 12:17 AM
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The eisenmann does a wonderful job at toning down the exhaust note. I had agency power headers and the eisenmann on and it sounds great. IMHO Way more controlled and refined compared to stock mufflers and long tubes.

I recently upgraded to the Akrapovic evolution setup and it tones the exhaust note down considerably. Sounds almost stock! However the note is menacing it's deep and angry.

I actually have my Eisenmann setup for sale. PM Me if your interested.
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Old May 1, 2016 | 12:43 AM
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Is the resonator gone too? I'd start by putting in the secondary cats and res if it is indeed no longer there.

However, having headers, it really won't quiet down too much.
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Old May 1, 2016 | 02:20 AM
  #6  
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X pipe
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Old May 1, 2016 | 03:25 AM
  #7  
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Originally Posted by Merc63
X pipe
It's true the x-pipe will quiet it down a little but in my opinion the c63 sounds so bad with an x-pipe. I took it off less than a week of driving and put an h-pipe instead on my last c63.

To the op, with long tube headers, there are plenty of routes to take to quiet them down. Are u just concerned about morning cold starts? If so, just put some old rags to your exhaust tips for the cold start to muffle the sound. And take them off right away after the initial start up. If u want to quiet them down for not just the morning start ups. Do some digging on the forum and see tons of threads for different routes. Plenty of clips too. Even my own clip somewhere in here with custom silencers and h pipe that made my car sound amazing without restricting the flow. Car was super fast and sounded amazing.

Good luck
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Old May 1, 2016 | 09:23 AM
  #8  
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Mine sounds great with an X pipe... Takes the rasp away.

Mine is stupid loud tho, the blower doesn't help...
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Old May 2, 2016 | 03:10 AM
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is the OEM resonator off?
If so, weld it back on.

Mine with IPE headers and cat delete and stock mufflers was too loud, welded the OEM resonator back on and its balanced!
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Old May 2, 2016 | 11:38 PM
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akrapovic will tone it down, thats what i have with my long tubes
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Old May 3, 2016 | 04:53 AM
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The video sounds very much like mine. I think your resonator is still on.
I thought the same initially as well. But after a week or so, it was ok for me.
Only 15-20 secs loudness on cold start. Your neighbours will soon treat it as a wake up alarm....
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Old May 3, 2016 | 12:32 PM
  #12  
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resonator is gone.
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Old May 3, 2016 | 02:20 PM
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you could put the resonator back, also do you have any primary cats?

But the coldstarts will still be loud.. i still remember when i was bone stock the cold starts were still enjoyably loud
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Old May 3, 2016 | 07:11 PM
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Originally Posted by talkinghamster
resonator is gone.
I have headers (ARH) and res delete, car is very loud. Im having the res back in next week, I'll report on what difference it makes.
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Old Dec 13, 2016 | 09:38 PM
  #15  
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I recently bought my 3rd C63. A P31 coupe this time...
The previous owner installed a straight pipe set up...

- secondary cats removed with straight pipes
- resonator removed with straight pipes
- muffler removed with straight pipes (larger diameter)

it still has the "AMG" sound given that i had 2 C63s with stock exhaust and just resonator delete I know what it should sound like ... It is louder, especially from the outside, but I have gotten used to it in the past few weeks. There is a little bit of drone at highway speeds when cruise control is used.

however - what bothers me most is that i feel like the back pressure has been reduced too much, i feel like my previous c63s might have been faster? has anybody experienced similar findings with a muffler delete ?

I already decided that i want to keep the cat & res delete - what can i expect but putting the muffler's back on? will i gain performance? what would happen to the tone? I love the way downshifts sound right now, losing it would make me sad!
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Old Dec 13, 2016 | 11:34 PM
  #16  
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You're in Alberta. How close can the neighbours be? Besides, arent they all firing up their diesel 4x4s?




PS Im in Vancouver.
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Old Dec 14, 2016 | 07:23 AM
  #17  
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Add a Remus cat back.....the stock system amplifies the sound w/headers.
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Old Dec 14, 2016 | 07:39 AM
  #18  
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Originally Posted by vtune
I recently bought my 3rd C63. A P31 coupe this time...
The previous owner installed a straight pipe set up...

- secondary cats removed with straight pipes
- resonator removed with straight pipes
- muffler removed with straight pipes (larger diameter)

it still has the "AMG" sound given that i had 2 C63s with stock exhaust and just resonator delete I know what it should sound like ... It is louder, especially from the outside, but I have gotten used to it in the past few weeks. There is a little bit of drone at highway speeds when cruise control is used.

however - what bothers me most is that i feel like the back pressure has been reduced too much, i feel like my previous c63s might have been faster? has anybody experienced similar findings with a muffler delete ?

I already decided that i want to keep the cat & res delete - what can i expect but putting the muffler's back on? will i gain performance? what would happen to the tone? I love the way downshifts sound right now, losing it would make me sad!
I have the exact same setup.
Is your primary cats still in place?

I dyno'd my car before and after the muffler delete, and no major difference in power.
Slight difference, but that could be due to weather conditions etc.
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Old Dec 14, 2016 | 02:53 PM
  #19  
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From: Peoria, AZ
2009 C63 AMG
Originally Posted by vtune
I recently bought my 3rd C63. A P31 coupe this time...
The previous owner installed a straight pipe set up...

- secondary cats removed with straight pipes
- resonator removed with straight pipes
- muffler removed with straight pipes (larger diameter)

it still has the "AMG" sound given that i had 2 C63s with stock exhaust and just resonator delete I know what it should sound like ... It is louder, especially from the outside, but I have gotten used to it in the past few weeks. There is a little bit of drone at highway speeds when cruise control is used.

however - what bothers me most is that i feel like the back pressure has been reduced too much, i feel like my previous c63s might have been faster? has anybody experienced similar findings with a muffler delete ?

I already decided that i want to keep the cat & res delete - what can i expect but putting the muffler's back on? will i gain performance? what would happen to the tone? I love the way downshifts sound right now, losing it would make me sad!
You are definitely losing back pressure. While your whp maybe the same you lost a lot of torque.

Originally Posted by kimeran
I have the exact same setup.
Is your primary cats still in place?

I dyno'd my car before and after the muffler delete, and no major difference in power.
Slight difference, but that could be due to weather conditions etc.
Mind posting the the Dyno sheets. You might be reading the same numbers but the curve may have been affected in the lower rpms.

Originally Posted by talkinghamster
resonator is gone.
You may also want to try the eurocharged tune where they give the option to remove the cold start feature.
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Old Dec 14, 2016 | 10:33 PM
  #20  
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Originally Posted by Mag1c Carp3t
You may also want to try the eurocharged tune where they give the option to remove the cold start feature.
Sir, that is some damn fine "outside the box" thinking, and quite possibly the easiest solution.
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Old Dec 15, 2016 | 11:31 AM
  #21  
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I cant imagine how loud LTH are. I got a ticket for just straights on my secondary and res.
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Old Dec 17, 2016 | 04:40 PM
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Agreed. Do the Eurocharged V6 tune with cold start delete. Done and done.
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Old Dec 17, 2016 | 10:35 PM
  #23  
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Originally Posted by SuperFastYo
I cant imagine how loud LTH are. I got a ticket for just straights on my secondary and res.
Not that loud.
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Old Feb 2, 2017 | 04:59 PM
  #24  
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Originally Posted by talkinghamster
Hey guys. i have Agency Power Headers, and Secondary cat delete.

cold starts in the morning are especially nice and loud.

I LOVE the way the car sounds.

however i do wake up early, and im sure my neighbors dont love it as much as i do.

they haven't complained yet, but i do feel a bit guilty.

is there a less restrictive muffler then OEM that will quite it down a bit?

thanks guys!
Does this mean the stock mufflers are for sale?
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