82 300sd

Had the exhaust down to do my hanger bearing. Noticed it starting to get a bit soft in places, but still weighed a ton. Bang the mufflers with a hammer and leaves enormous soot clouds for a while. Any benefit to straight piping the exhaust? Still has the factory 3 muffler set up (two in parallel, one inline)

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1982 300sd, new project car to restore

It doesn't matter if you know what you're doing, as long as you look like you know what you're doing.

Straight pipe has the advantages of being lighter and sounding better. Overall power input won't be affected, but your turbo might spool a little faster.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

My advice, done on the SD, is to remove the dual resonators and keep the rear muffler.

The SD only has two mounting points for this system and it has functioned perfectly fine for 50K miles.

Of course, if the aft mount fails, the entire system falls to the pavement and cracks the downpipe so maintenance of the rubber hangers on the muffler is critical.

The SL`s use a muffler hanger that has a chain in the center.

Part# 107 492 00 44

Exhaust hangers


Several members have removed the center mufflers and had the muffler shop make some long rods that go off each side to where the hangers mount.

Been searching for a thread that has a picture.

found this you tube of straight pipes, but if you don`t live in Texas, you might be out of place and look weard.

Mercedes Benz Rat Rod S500 My Dad's Custom Redneck Dream Pipes Stacks & Bull horns - YouTube


Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

I had the muffler shop fab up a hanger rod to utilize the stock mounting points and hangers.

Attached Thumbnails

 

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83 SD

84 CD

If you have the stock merc muffler, it's already straight though (similar to a glasspack). If you have a generic off the shelf muffler, it's probably restrictive(this was the case on my beater)

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$60 OM617 Blank Exhaust Flanges
$110 OM606 Blank Exhaust Flanges
No merc at the moment

I think it was Forcedinduction that pealed open both mufflers from a W123, and they are straight through flow.


Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

maybe it is plugged thus your problem climbing hills.?

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

In my (admittedly limited) experience, factory mufflers on diesels usually use a straight-through design to limit soot build-up. I've seen cases where someone installed a muffler intended for a gasoline engine, instead, and it plugged up with soot. Soot is like drifting snow, if you put an obstacle (like a muffler baffle) in its path, the soot will build up around it.

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1981 Mercedes 300TD, 1994 Honda Civic Del Sol
http://mefi.us/images/fuelly/smallsig-us/67195.pnghttp://mefi.us/images/fuelly/smallsig-us/103885.png

Dual resonators are no longer on my car. Started it up with the exhaust cut off and immediatly decided the mufler will stay. The exhaust note is quite a bit deeper and louder. Seat of the pants o meter indicates there may have been some minor performance gain. Happy with the overall results.

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1982 300sd, new project car to restore

It doesn't matter if you know what you're doing, as long as you look like you know what you're doing.