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 Black sound on SL65

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Old Oct 6, 2009 | 11:59 PM
  #1  
contigo's Avatar
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SL 65 Black sound on SL65

Any idea how we can reach a similar sound to the Black Series 65 on the std 65?
Suggestions:
Take the rear mufflers out?
Take the the center resonators off?
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Old Oct 7, 2009 | 12:12 AM
  #2  
Thericker's Avatar
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V12-Biturbo
Cut off Mufflers, run 3" straight pipe to tips, sounds nearly identical... SL65/600 don't have resonators only Primary cats & mufflers.
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Old Oct 7, 2009 | 12:55 AM
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Isnt it too loud with no exhaust? Dont you get pulled over all the time?
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Old Oct 7, 2009 | 05:13 AM
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Originally Posted by contigo
Isnt it too loud with no exhaust? Dont you get pulled over all the time?
Never, it's copletely civil, yet awesome when hammer time, do it or move on You asked how to make it sound like new SLBS? I tell you, then you Question weather you'll be pulled over? lol... Think SLBS will be pulled over for loud exhaust...
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Old Oct 7, 2009 | 07:15 AM
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ok they will be off today
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Old Oct 7, 2009 | 07:40 AM
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How many PSI of boost did you lose after removing the muffler? I've heard around a 2psi loss.
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Old Oct 8, 2009 | 07:10 AM
  #7  
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Will get the video this weekend, This is how the car should have come from the factory, not a bit less or more, I dont understand why they even installed mufflers!!!!!!!!!!!!
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Old Oct 8, 2009 | 08:05 AM
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Originally Posted by blazeone
How many PSI of boost did you lose after removing the muffler? I've heard around a 2psi loss.
I think you will find that removing parts of the exhaust will increase the
boost, unless the ecu corrects it.
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Old Oct 8, 2009 | 05:14 PM
  #9  
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Originally Posted by sound 8
I think you will find that removing parts of the exhaust will increase the
boost, unless the ecu corrects it.
Wrong again stick to the SL63 krap, your posts are detrimental to newbies & the uninformed...

Boost actually goes down after muffler removal, measured on Dyno lost about 1.5 PSI

contigo: Told ya you'd love it
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Old Oct 8, 2009 | 06:38 PM
  #10  
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Originally Posted by contigo
Will get the video this weekend, This is how the car should have come from the factory, not a bit less or more, I dont understand why they even installed mufflers!!!!!!!!!!!!
Good call contigo...I responded to your question in my build thread (I think)... glad you made the plunge. Agree 110% this is how they should have come from the factory.

-m
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Old Oct 8, 2009 | 06:44 PM
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Originally Posted by sound 8
I think you will find that removing parts of the exhaust will increase the
boost, unless the ecu corrects it.
Moron
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Old Oct 9, 2009 | 02:17 PM
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Explain to me please why pressure will fall, if delete mufflers
After all on resistance of gases on an exit less, means more energy for promotion of turbines, isn't it
Thnx
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Old Oct 12, 2009 | 12:43 AM
  #13  
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If tempted dont even doubt
hope this helps
http://www.youtube.com/watch?v=Ve871fViXAo
http://www.youtube.com/watch?v=GO_snTK8sFE
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Old Oct 22, 2009 | 11:15 PM
  #14  
OUTCAST's Avatar
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Car sounds great!
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Old Oct 23, 2009 | 07:45 AM
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Originally Posted by Ross55
Explain to me please why pressure will fall, if delete mufflers
After all on resistance of gases on an exit less, means more energy for promotion of turbines, isn't it
Thnx
You'll lose approx 1.5 to 2 psi of boost. Ask a professional tuner.
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