SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: SL 65 Exhaust Mods

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Old 08-14-2012, 11:19 AM
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2006 Merc SL65
SL 65 Exhaust Mods

Okay guys,

I am about to have the resonators cut out of the mufflers on my 65. Have any of you done this? This is not my daily driver so I am not overly concerned about the car being too loud. It is too stealthy quiet for my taste now.

I came out of a blue 2006 Lambo Gallardo manual shift car. I loved the sound of the Lambo. It was a little loud but I never drove the car more than an hour or two a couple times a week.

I would like to hear your feedback on modding the 65's for more/better sound. The car has Super-Car Performance. It should have Super-Car Sound IMO....
Old 08-14-2012, 11:31 AM
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Originally Posted by kena
Okay guys,

I am about to have the resonators cut out of the mufflers on my 65. Have any of you done this? This is not my daily driver so I am not overly concerned about the car being too loud. It is too stealthy quiet for my taste now.

I came out of a blue 2006 Lambo Gallardo manual shift car. I loved the sound of the Lambo. It was a little loud but I never drove the car more than an hour or two a couple times a week.

I would like to hear your feedback on modding the 65's for more/better sound. The car has Super-Car Performance. It should have Super-Car Sound IMO....
with the v12 tt it will be hard to get any kind of battle cry. turbo cars are always muffled.

remove resonators and see how you like it. it will never sound like a gallardo- that is for sure.
Old 08-14-2012, 03:55 PM
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Thanks for dropping the car off with us, we'll make sure the it sounds good for when we get it back to you. Make sure you let us know if you have any other questions or about that 2 stage nitrous you mentioned!!

-Bryan
Old 08-14-2012, 04:42 PM
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Originally Posted by alx
with the v12 tt it will be hard to get any kind of battle cry. turbo cars are always muffled.

remove resonators and see how you like it. it will never sound like a gallardo- that is for sure.
I would be happy if it sounded like my friend's 2011 CL63....
Old 08-14-2012, 04:43 PM
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Originally Posted by CW8YUP
Thanks for dropping the car off with us, we'll make sure the it sounds good for when we get it back to you. Make sure you let us know if you have any other questions or about that 2 stage nitrous you mentioned!!

-Bryan
Old 08-14-2012, 06:35 PM
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Originally Posted by kena
I would be happy if it sounded like my friend's 2011 CL63....
A v12 will never sound like a v8. There always will be the prrrrrrrr sound of the v12 as opposed to the delicious gul-gul-gul of the v8

I hope my sound effects made sense

Last edited by alx; 08-14-2012 at 09:25 PM.
Old 08-14-2012, 07:59 PM
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Read this thread .......

https://mbworld.org/forums/m275-v12-...ification.html

Do it and you will sound like this, very cheep mod ....

Old 08-15-2012, 07:33 AM
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Deleting the mufflers will give you an awesome sound. I did this mod to my SL65 after hearing Benz-O-Rama signature audio clip.

It roars when you get on it but has a gentle rumble when cruising. It is much less loud than you'd expect. Apparently the turbos devour some of the sound.

This mod cost me $105 (+12-pack Heineken tip) at my trusted muffler shop.
Old 08-15-2012, 01:56 PM
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I did a muffler delete which keeps the car looking stock. Mufflers and AMG Tips are still intact but gives a great throaty tone. Muffler has been made internally to be a straight pipe. Cost is only the time needed to weld the pipe perforations closed. See the video shot by an unknown person at our Cars and Coffee Meet this weekend which gives a fairly good representation of the sound.

Old 08-16-2012, 12:41 AM
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2007 Väth SL65 AMG. 2007 BMW Alpina B5s. 2007 BMW M6.
That's pretty much how my sounds too.
Loooovin it!

But I had to remove the cats too!
Only muffler delete (with a straight pipe inside each), made no difference here on my 65..!
Still sounded bone stock!
Why, I can not say!

But on my old 600's (one S-Class & three SL's), they sounded like that with the cats kept on, and with only muffler delete.

The model years on my 600's were 2004 & 2005, while my 65 is a 2007, maybe that's why...
Old 08-16-2012, 09:22 AM
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I totally removed my mufflers, extended the pipes to rear and had the AMG tips welded to end. Who needs the dead weight. Looks OEM.

Maxabo - how'd you cure the codes when you eliminated the Cats?
Old 08-16-2012, 10:29 AM
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Thanks guys!

I think I'll try deleting the mufflers and leaving the cats. My car is at Autoscope in Dallas. Carson & Bryan are pretty sharp with these cars. Don't tell them I said so...
Old 10-23-2012, 01:17 AM
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amg cl/s
video update? lol
Old 10-23-2012, 09:50 AM
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SL 65 AMG, Porsche 911 (993), 2014 Cayenne GTS, 2013 Toyota Highlander Limited
Love to hear the result....
Old 10-23-2012, 12:59 PM
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SL 63 W/B AMG , S600,C220
Life's funny, in the early days I loved big powerful silent cars, Jag's and
Rolls Royce for instance. Then Cosworths came along, followed by Evo's
and Subaru's, as much as I liked them after a while they did me in.
So when the SL63 came out with it's sound track I loved it, until I went
on a long journey. I don't know whether I was in a bad mood but the exhaust
annoyed me, along with the tyre noise. I was also having a love affair with
my recently tuned S600, It's amazing acceleration all without fuss and noise.
So the SL63 has gone and I have a SL65, this also has superb acceleration
without fuss and maybe a little growl. Anyway that's the way I'm leaving it.
It's great to overtake the boy racers with their horrible sounding little
hatchbacks, whilst just wispering effortless passed.
Old 10-24-2012, 10:06 AM
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too deleted my mufflers, sounds great, very throaty....similar to my CLK BS when it was stock
Old 10-24-2012, 11:37 AM
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+1 on muffler delete.
Old 05-23-2015, 04:15 PM
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SL65 AMG
My question is are the guys that have done turbo back setups running straight pipes, x-pipes, or h-pipes and why?
Old 05-23-2015, 08:21 PM
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It is a straight pipe with just the resonator removed. -if you have to ask why...well...
Old 05-23-2015, 08:30 PM
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SL65 AMG
65's don't have resonators they only have cats. I asked why to see if guys were concerned with scavenging on these cars. Also going off what every one has said in this thread they have primarily done a muffler delete which means they are still running the factory h-pipe. I'm hoping for someone that has done a full turbo back setup.

Last edited by euphoriaDSM; 05-24-2015 at 11:29 AM.
Old 05-23-2015, 09:43 PM
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E55, GLS450, GL63, GLE350
No scavenging going on with the SL65 or 600.
Old 05-24-2015, 11:22 AM
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+1 on muffler delete. Did mine and have no regrets
Old 05-24-2015, 08:53 PM
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'06 E500, '99 ML430 and '07 SL65
Originally Posted by euphoriaDSM
65's don't have resonators they only have cats.
Yes they do. See the attached. It is #470 and #460 on the diagram.

I would suggest that you do some research before making statements like that.
Attached Thumbnails SL 65 Exhaust Mods-capture.jpg  
Old 05-24-2015, 09:40 PM
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Lol thats the rear mufflers




These are resenators from the diagram of the sl55 exhaust. In the image you posted they dont even show resenators
Old 05-25-2015, 02:06 PM
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'06 E500, '99 ML430 and '07 SL65
Ha, I just stuck my head under my car and you are correct, and I was wrong. My apologies to euphoriaDSM.


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