It was "muffler man," what can you expect? Only time I've ever taken my benz to any kind of generic shop, and hopefully the only time I ever will.

Now this may seem like a stupid question but will making you car strait piped effect preformance and sound differently in every body/engine model, or is it pretty much the same all around?

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81' 300SD AKA "Big Helga"
84' 300D Euro spec (Veronika)
85' 300D NonCalifornia (Heidi)

"We shall not fail or falter; we shall not weaken or tire...Give us the tools and we will finish the job."
-Winston Churchill, 1941

"I'll have a Chinchilla!"

It will vary based on model, because the stock exhausts were not always the same. So it depends if you remove only parts of the system or the whole thing. I'd think that most would sound pretty similar with a fully open exhaust (all straight pipes), as the only differences would be pipe diameter and routing, which shouldn't affect the sound as much. I wonder if a 5cyl sounds different from a 6cyl...

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Dave
Boise, ID
Check out my website photos, documents, and movies!

I am thinking about straight piping my 89 190D 2.5, somebody told me it can burn the exhaust values, to me it sounded BS but i am not too experienced with Diesel. Does anybody know if its true or not???

Its BS......... the only way you could burn exhaust valves is with no exhaust manifold when cold air hitting hot exhaust valves would do bad things.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

In some states a turbo is considered to be a muffler. (so I was told) Also, the military 2 1/2 ton trucks have a streight pipe from the trubo back. I immagine the 5 and 10 ton trucks would be the same as well, but I have never seen one up close.
I played with a streight pipe on my '90 Dodge W/ 5.9 Cummins, it sounded ok at an idle, but too loud at full song, even when empty... so I put a glass pack from summit racing on it, which was cheap, and came in 3'' size which is what I wanted to do. The truck is always loud, the motor make's quite a racket, and now you can hear some exhaust note in the cab when pulling a load, but it is not too bad.
some day I will do the same on the 84 300 TDT, but not till the present exhaust system gives up.

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46 WDX Power Wagon

84 300TDT daily driver

I run str pipe on my 80 300SD, is not all that loud, the pipe ends on the bottom left rear door.
Can be annoying during first start, the noxious fume can come back if window not fully closed.
Other than that is not all bad either.
So if u have turbo, no need muffler.
Sure u have to be prudent , not to rev it up when around peace officer, or else they may wanna a safety inspection on your car.

I can't compare whats like to orig muffler. When i bought it, she has no exhaust sys at all. Just 6 inches down pipe. It was a bit louder, still can live with, now ofcourse is much quieter.

This thread is not that hard to find...

New exhaust on a 300SDL *VIDEO*

Pretty sure we discussed the crap out of the exhaust modifications over there
Please check it out....THE WHOLE THREAD