SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Removing mid mufflers on r230 SL500 ?

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Old 02-22-2008, 12:31 PM
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2003 SL500 R230
Removing mid mufflers on r230 SL500 ?

Was given some insight by a tuner to remove mid mufflers on 03 SL500 and go to a straight pipe. This I was told will reduce back pressure resistance. My concern is potential noise level inside the SL. Does anyone have any exposure in this area? Please advise... Thanks
Old 02-22-2008, 01:46 PM
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C63S coupe, X5M
There are no 'mid-mufflers' or resonators on the SL.

There are mufflers and post-cats, thats it.
Old 02-22-2008, 03:14 PM
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2003 SL500 R230
Straight pipe for r230

Murtaza - Thanks for the reply and you have a nice SL as well. You mention Straight pipes. Can you please advise on what is entailed with this modification...Thanks
Old 02-22-2008, 03:38 PM
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Originally Posted by soterek
Murtaza - Thanks for the reply and you have a nice SL as well. You mention Straight pipes. Can you please advise on what is entailed with this modification...Thanks
Took out the mufflers and put in straight pipes, it's pretty loud Any exhaust shop should be able to do it...

http://youtube.com/watch?v=K6hF1IgThWg
Old 02-23-2008, 03:56 AM
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05' SL500 (Sold) - 01' S430 - 05' Yama R1- 02' ML500 (sold)
mines were removed

here is a link to my photos:
https://mbworld.org/forums/sl-class-r230/134096-photos-our-cats.html

https://mbworld.org/forums/sl-class-r230/134095-my-sl-500-w-o-muffler-sound-clip.html
Old 04-07-2015, 03:25 PM
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2011 SL550
Just had resonators removed @ Meineke and they did a great job. Lots of taking off obstructions took about 2 hours./ Exactly what I wanted. Low hub @ driving speeds but @ WOT really comes to life. I saw one reply that said it cost 60-80 $. Not in VA Beach. Labor 126. hr parts 43.68 total of $364.67 w/tax, but worth it. Frank 2011 SL550

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