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MERCEDES W126 The W126 S Class saloon and coupe from 1979-1992 (260SE, 280S, 280SE, 280SEL, 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 380SEC, 420SE, 420SEL, 420SEC, 500SE, 500SEL, 500SEC, 560SE, 560SEL, 560SEC)

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  #31  
Old 4th July 2019, 08:30 AM
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Default Re: W126 Exhaust Performance Upgrades

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Originally Posted by Oversize View Post
Yes thatís my point. The other engines have the same firing order yet the manufacturers have not done anything special with their exhausts. So is the unique design not worth the effort??

Great job BTW Geoff!
May be cost related? Benz sold their cars for a much higher price so had more room to work in terms of the specification and still providing room for a profit....

Its the old story like the Rover SD1. Engineers wanted to do a IRS instead of live rear axle, but BL vetoed it that buyers wouldn't spend the extra $50 or whatever it would have been.
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  #32  
Old 4th July 2019, 03:45 PM
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Default Re: W126 Exhaust Performance Upgrades

A Holden executive in the 90's boasted that they had never spent more than 2 dollars on their car stereo speakers even in high end models. Says it all really.
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  #33  
Old 21st May 2020, 03:59 PM
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Default Re: W126 Exhaust Performance Upgrades

I just had the exhaust done on my SEL. Somebody had replaced the kidneys and done a terrible job. You couldnít get the hangers to line up and it was scraping the drive shaft. I replaced it with a stainless system sans kidneys. I can feel the increase in performance and you get a better sound under hard acceleration but it is nice and quiet around town.








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  #34  
Old 21st May 2020, 05:27 PM
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Default Re: W126 Exhaust Performance Upgrades

Lovely looking system Bryce.
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  #35  
Old 23rd May 2020, 04:36 PM
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Default Re: W126 Exhaust Performance Upgrades

Looks great! Iím still sceptical about the X pipes, so Iíll try something different next time.
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  #36  
Old 23rd May 2020, 05:10 PM
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Default Re: W126 Exhaust Performance Upgrades

This is a mates SEC...

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01 Ford AU 5L (Deep Blue)
88 420L Euro#-P
88 420L#-P
88 420L#2477-P
87 560L#2020 (Dora 2)
87 560L #9987
87 420L#4309-P
87 420L#-P
86 560L#5896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora 1)
77 450L#7010-P
75 450L#8414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #37  
Old 23rd May 2020, 05:55 PM
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Default Re: W126 Exhaust Performance Upgrades

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Originally Posted by Oversize View Post
Looks great! Iím still sceptical about the X pipes, so Iíll try something different next time.
This is my Aussie SEL, so that was mostly for the O2 sensor.
When I eventually do the SEC, it doesn't need an O2 sensor and would probably go with something more aggressive.
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