S600 Exhaust

Questions: Is it the catalytic converters that are keeping it so tame? Also, anyone know what that vacuum valve is just aft of the center cats after the exhaust goes from dual to single? Is it a vacuum driven butterfly valve? I'm thinking maybe it's stuck in the lowest position and that's causing some sound 'deadening' as well. Can this valve be rigged to stay open?
Before people starting firing off at me, just wanna make it clear I'm not trying to make my S600 sound like a Honda Civic, rather, I'd enjoy hearing the V12 stretch it's vocal chords a little
Thanks in advance!
take a listen, sounds like a Formula One race car....
Id install some electric exhaust cutouts, so you can flip a switch to run through the exhaust or straight pipes....

Questions: Is it the catalytic converters that are keeping it so tame? Also, anyone know what that vacuum valve is just aft of the center cats after the exhaust goes from dual to single? Is it a vacuum driven butterfly valve? I'm thinking maybe it's stuck in the lowest position and that's causing some sound 'deadening' as well. Can this valve be rigged to stay open?
Before people starting firing off at me, just wanna make it clear I'm not trying to make my S600 sound like a Honda Civic, rather, I'd enjoy hearing the V12 stretch it's vocal chords a little
Thanks in advance!
Jet,
Besides my EC tune, the exhaust mod is the best thing I chose to complete on my 600. I removed everything except the primary cats (primaries are tucked up and inside the engine compartment on the manifold downpipe) and had two straight pipes run out the back. In my case in also had electronic exhaust cutouts installed which allows me to open and close the exhaust from inside the car. This way I can still have mufflers attached and when the cutouts are closed, the car is very quiet. Then to run a hi flow, louder exhaust, I just electronically open the cutouts.
I love it.
Here is a thread about what I did with a photo....
https://mbworld.org/forums/s-class-w...t-cutouts.html
Last edited by Vabene7; Jul 19, 2012 at 10:02 PM.
take a listen, sounds like a Formula One race car....
http://www.youtube.com/watch?v=8PbSJ65RJrc&lr=1
http://www.youtube.com/watch?v=I5ZIomet8Yk&lr=1
Id install some electric exhaust cutouts, so you can flip a switch to run through the exhaust or straight pipes....
take a listen, sounds like a Formula One race car....
http://www.youtube.com/watch?v=8PbSJ65RJrc&lr=1
http://www.youtube.com/watch?v=I5ZIomet8Yk&lr=1
Id install some electric exhaust cutouts, so you can flip a switch to run through the exhaust or straight pipes....
Actually, it's the same basic engine...the old DOHC V12 started out as a Benz engine and then AMG got a hold of it, eventually taking it all the way out to 7.3 liters. Pagani then started buying them from AMG, in 6.0, 7.0, and 7.3 liter capacities. No wonder those S600s sound like Zondas...basically the same engine.
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Last edited by AH1W-COBRA; Jul 30, 2012 at 03:41 AM. Reason: typo
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P.S - THE "ALL-CAPS"-NESS OF MY POST IS JUST TO KEEP WITH THE EPICNESS OF THIS THREAD.... lol
I removed the resonators and center pipe replaced with 3" dual pipes to OEM S65 mufflers but I find it too quite still








