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

SL55/63/65/R230 AMG: If you haven't got your resonators delete...

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Old 03-20-2012, 02:53 PM
  #101  
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
Mine is at the muffler shop getting this done as I write this.
Looking forward to hearing it afterwards.
Old 03-20-2012, 04:45 PM
  #102  
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
Done and it is definately louder. Sounds serious!!!
Time will tell if I keep it.
Old 03-20-2012, 05:50 PM
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SL55 AMG
Originally Posted by rsr911
Done and it is definately louder. Sounds serious!!!
Time will tell if I keep it.
Do they have to welded? or can this be reversible?

Last edited by Z06KLR; 03-20-2012 at 06:41 PM.
Old 03-20-2012, 06:08 PM
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SL55, ML500 & Acura TL
Originally Posted by Easchef
The diagram shows
No 159 Center Mufflers
and
No 160 Rear Mufflers

Can someone who had the job done please comment on the following questions:

Are the rears considered resonators or also the center ones?
Which ones are removed when talking about "deleting resonators"?
Does the exhaust system have to be dropped to weld in the straight pipe or is there enough room on top to insure a perfectly closed weld all around?
Is there a preferred kind of pipe to be used for this job?

My car has a Stage 6 RennTeck package which includes the RennTech headers.

Thanks
The center mufflers are what most people call the resonators and part of the res delete. I think it is pretty tight up there and hard to weld in place, but not certain. I removed the secondary cats and the exhaust system had to come down to do it right. 3 inch stainless (316 alloy) is the best. I used 3 inch stainless "U" bend for the secondary delete.
Old 03-21-2012, 09:52 AM
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
I told the shop I wanted to be able to reinstall the resonators if I did not like it. No problem. They were surgically cut and removed with no issues.
Can be easily reinstalled. However they won't be.

After driving my SL for just a few miles I LOVE IT!!!!!!

This is how the car should have been from the factory.
Deep aggressive rumble under acceleration but at even throttle just like normal.
No drone. Perfect.
Old 03-21-2012, 09:56 AM
  #106  
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SL55 AMG
Originally Posted by rsr911
I told the shop I wanted to be able to reinstall the resonators if I did not like it. No problem. They were surgically cut and removed with no issues.
Can be easily reinstalled. However they won't be.

After driving my SL for just a few miles I LOVE IT!!!!!!

This is how the car should have been from the factory.
Deep aggressive rumble under acceleration but at even throttle just like normal.
No drone. Perfect.
Sweet!
Old 03-21-2012, 10:51 AM
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
Originally Posted by Z06KLR
Sweet!
DO IT!!!
Old 03-21-2012, 11:01 AM
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Originally Posted by rsr911
DO IT!!!
Making moves!
Old 03-26-2012, 02:46 PM
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just did this, $80, 30 minutes worth of work. Sounds awesome.
Old 04-14-2012, 09:06 AM
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My car just got delivered off the transporter and after I put on new wheels this afternoon it's going to get the resonators removed. Quote from my wife "you couldn't even leave this one stock for an hour?"
Old 04-16-2012, 04:46 PM
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
Originally Posted by thill381
My car just got delivered off the transporter and after I put on new wheels this afternoon it's going to get the resonators removed. Quote from my wife "you couldn't even leave this one stock for an hour?"
I believe my wife had much the same comment
Old 04-17-2012, 07:29 AM
  #112  
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Had the resonators removed yesterday. Car sounds great, no drone at all. Actually would like it even a little louder but I'm sure that would be pushing the limits of what the wife would tolerate.
Old 04-17-2012, 10:28 AM
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Awesome! Mine are scheduled to be removed on May 5th
Old 04-17-2012, 04:39 PM
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ML63, ML320
really simple, quick, inexpensive mod. I saved mine in case I ever want them reinstalled. Doubt it.
Old 05-09-2012, 11:22 AM
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03 SL55
hi guys i want to get my res del today. what is the best pipe to replace with? i want lightweight and performance- 3inch stainless? i have to get straight pipes right? also i will not have a problem with passing smog?
Old 05-09-2012, 11:51 AM
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I had an appointment scheduled at RACE PROVEN MOTORSPORTS in CLAYMONT, DE to have my resonators deleted but apparently, they have grown too large to take on such a small insignificant project and suggested that I visist a muffler shop.

Screw you RACE PROVEN MOTORSPORTS, you'll never see my business again.

Last edited by Z06KLR; 05-09-2012 at 01:42 PM.
Old 05-09-2012, 12:23 PM
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Originally Posted by kingnash
hi guys i want to get my res del today. what is the best pipe to replace with? i want lightweight and performance- 3inch stainless? i have to get straight pipes right? also i will not have a problem with passing smog?
You will still pass smog since your cat's are still on the exhaust system. The shop will use stainless steel tubing which will need to be bent slightly to fit into the space of the resonators. Any muffler shop can do this in less than an hour.
Old 05-09-2012, 02:53 PM
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PORSCHE PANAMERA TURBO LAMBORGHINI GALLARDO SL600 E55 BRABUS*SOLD*
What about doing this on SL600? or what method is best?... no emission tests in AZ
Old 05-09-2012, 06:48 PM
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03SL55
AZBENZ, check out Benzorama. He had his exhaust done (SL600), sounds killer.

Installed Kleemans and removed the front cats a year ago and loved the sound. Yesterday I had the rear cats and resonators removed. Bit loud for my taste, I think the resonators are going back on.

No drone to speak of and at highway speed car sounds stock. Once you mash the go pedal all hell breaks loose. Another benefit is the snap when you rev the motor. Seems to rev more freely. Not crazy about the rumble when taking off from a dead stop till around 1500, after that it sounds normal.
Old 05-09-2012, 06:50 PM
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03 SL55
i called 3 shops and they say they use aluminized pipes. one guy said stainless cost 3 times more than aluminized. if i wanted to go stainless job would be about 200-250 bucks.. wtf? also how many inches should i got, 3inch stainless?
Old 05-11-2012, 12:17 AM
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2003 Sl55 1995 C36
Any 55 owners do it in the Orange County CA? Any suggestions for a shop?

As for smog, it should pass visual because it has cats and mufflers, right?

How did they cut the resonators? sawz-all or grinding wheel???

Gonna get it done tomorrow hopefully!
Old 05-11-2012, 09:36 AM
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SL55, ML500 & Acura TL
^ You have EvoSport not too far away in Huntington Beach. I have their ceramic coated shorty headers on my SL.
Old 05-11-2012, 03:48 PM
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SL 63 W/B AMG , S600,C220
I agree the SL55 could do with more growl, but no way does the SL63 need
anything done. Everybody whether in or outside my car thinks it already
had something done to get that awesome noise. If you change the 63 I
gaurantee after a while you will put it back to standard.
Old 09-08-2012, 09:48 AM
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I went to go get this done today. Exhaust fabricator said they would have to lower exhaust system to do welds. I just asked for the resonator delete (1 on each side) as u guys did.

They quoted me $500..
Old 09-08-2012, 03:34 PM
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Londo, shop around. You need 4 90s (pipes) cut and weld..250/300 tops


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