[W126 Coupe] Help on Exhaust modification

[Divov]

I am going to do a dyno run before & after.
Someone warned me that most after-market exhausts actually make less power than the original system.
I remember that being the case with a W116 V8
Thanks
Alec
  ----- Original Message ----- 
  From: Markus Meyer 
  To: mbcoupes at mbcoupes.com 
  Sent: Tuesday, April 03, 2007 2:57 PM
  Subject: Re: [W126 Coupe] Help on Exhaust modification


        I doubt it did much for power, but who knows. I've done a few other simple mods like first gear start, so my car has always felt more "peppy" than other 560's I've driven. No idea if the rear muffler is straight through. I don't have factory exhaust though, I have the stainless Timevalve system: http://www.timevalve.com/

        Markus

        Markus Meyer
        484-919-9762 (cell)
        http://www.meyerprobateproperties.com/

        --- On Mon 04/02, Divov < divov at tiscali.co.za > wrote:


          From: Divov [mailto: divov at tiscali.co.za]
          To: mfmeyer at iwon.com, mbcoupes at mbcoupes.com
          Date: Mon, 2 Apr 2007 23:30:59 +0200
          Subject: Re: [W126 Coupe] Help on Exhaust modification

          Thanks for that input Markus. 
          Did it do anything for power? 
          Do you know if the rear silencer is a straight through box?

            ----- Original Message ----- 

            From: Markus Meyer 

            To: mbcoupes at mbcoupes.com 

            Sent: Monday, April 02, 2007 10:40 PM

            Subject: Re: [W126 Coupe] Help on Exhaust modification


                  If you are talking about the two resonators in the middle of the system, yes, I've done that. Mine goes from the cat to the rear muffler now with two straight pipes inbetween. It has a nice low throaty sort of growl on acceleration and sounds "normal" the rest of the time.

                  Markus

                  Markus Meyer
                  484-919-9762 (cell)
                  http://www.meyerprobateproperties.com/

                  --- On Mon 04/02, Divov < divov at tiscali.co.za > wrote:

                    From: Divov [mailto: divov at tiscali.co.za]
                    To: mbcoupes at mbcoupes.com
                    Date: Mon, 2 Apr 2007 22:32:06 +0200
                    Subject: [W126 Coupe] Help on Exhaust modification

                    As the first step looking for more power I plan to modify the standard exhaust system for racing.
                    I don't care about noise levels so I thought of simply cutting out the 2 front transversely mounted silencers on my 500SEC and just leave only the rear silencer. Has anyone got some experience on this? 
                    Remember we already don't have all the emission control crapola on our cars.
                    If I don't plan to change the exhaust manifolds is there any point in going bigger diameter pipes?
                    Alec Divov
                    84 500SEC Euro

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