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#1
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Dual exhaust
Hi,
My 83 300D is starting to get exhaust problems due to age, as evidenced by myself and also pointed out by the dealer. I have a few questions regarding the replacement: -Do I need special pipes since its a diesel and runs hotter/dirtier then a gas? Or am I safe with good Stainless steel? -Can I get a different brand dual outlet exhaust? I knwo the American pickup trucks with diesels often have huge exhaust pipes. The dodge ram 5.9 cummins must be 3" I dont see a problem having a second outlet on the exhaust. -Whats the consensus on 1 or 2 mufflers? What if I get a real small, cheap, low restriction one for the first, and a good one with dual pipes from the second? Any other reccomendations? Thanks JMH |
#2
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Just get an OEM exhaust system.
Anything else will either make it sound funky or look funky
__________________
2005 Audi A4 1.8T CVT -Silver/Black "Siegfried" 1982 300D - Silver/Blue "Ralph" -For Sale: http://www.peachparts.com/shopforum/showthread.php?p=852260 1989 VW Diesel Jetta Blue/Blue "Bodo" RIP |
#3
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JMH, There's alot you can do with your exhaust system. I tried a few things until I found what I liked. I have 2.25 inch pipe from the manifold back. I replaced the resonator(small muffler) with a Flowmaster 2 chamber delta flow muffler. That was a bit loud, sounded really neat though. So I added a small generic muffler out back to mellow things out. It sounds great now. Beefy, yet not too loud. I don't have stainless steel pipes. I don't think there will be a problem. As far as adding a second pipe, might be tough. There is not much room for that stuff under a 123. You could get a dual stainless tip. That would look cool. andy
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#4
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You could get an OEM sytem for about 4 times as much. What ever you do to your MB, Don't go overboard. Be subtle. Not tacky or funky. andy
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#5
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Wow that was wrought with sarcasim.
We're talking about a Diesel Mercedes, not some damn riced out Honda. If you wanna make the nice diesel clatter into a clattering fart sound then by all means do it, thats the great thing about this country, people can go do stupid ass things and not be shot for it.
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2005 Audi A4 1.8T CVT -Silver/Black "Siegfried" 1982 300D - Silver/Blue "Ralph" -For Sale: http://www.peachparts.com/shopforum/showthread.php?p=852260 1989 VW Diesel Jetta Blue/Blue "Bodo" RIP |
#6
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Ideally, you'd want the diameter of the exhaust system to be the same as the diameter of the outlet on the exhaust side of the turbocharger (or larger). However, I don't think a stock MB diesel is hurting for a larger exhaust. The OEM diameter system is probably adequate.
Also, playing around with different pipe diameters/mufflers could cause unpleasant resonation inside the vehicle or simply make it too loud. But, yeah, the sewer pipes they're putting on turbodiesel pickups are really cool. Aaron |
#7
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Whoa!!!
Just a minute, I didnt want any goofy sounding rice rocket nmoise or anything obnoxious. I like the subtle diesel noise that comes from my car, I dont want to make it louder or anything, I just want the same and for it to be replaced as cheaply and easily as possible. When I meant dual exhaust, I specified it wrong. Im not talking duals liek youd have of an old chevelle ss 454, I mean a single muffler that has two ports going out. Lots of the MB cars have them.
My reasoning in this is that for whatever reason, unlike cars, having a big or huge tailpipe is good for diesel performance apparently. In a gas auto it will limit backpressure and torque will suffer, however for diesel pickups, you can get exhausts with a 4" tailpipe for optimal flow. In this spirit I figured they must put that second pipe onto a muffler for similar reasons, and it must be really good on a diesel, since they sell these systems, and the exhaust on say, a RAM 5.9L diesel is larger in diameter then the mullfler for an 8.0L gas engine. Maybe Im wrong in this guess, but I certainly arent trying to do somethign tacky or stupid to the car that I very much enjoy driving in. Im not looking to race hondas on friday night and make obnoxious noises... JMH |
#8
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The muffler for the 280 and 280E has two exhaust tips, I think. I'm not sure if it could be used with a diesel...
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2008 BMW 335i Coupe |
#9
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ahh, sorry about the misunderstanding there JHZR2. Either way my argument still stands.
I'm sure you could go mod a Diesel Muffler to take the tips off a gas mercedes. I think they didn't use chrome tips is because there's a lot of soot in Diesel exhaust that will make the tips look pretty dirty pretty quick
__________________
2005 Audi A4 1.8T CVT -Silver/Black "Siegfried" 1982 300D - Silver/Blue "Ralph" -For Sale: http://www.peachparts.com/shopforum/showthread.php?p=852260 1989 VW Diesel Jetta Blue/Blue "Bodo" RIP |
#10
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Capt,
I understand your reasoning fully, and agree. Just looking to save a few bucks and gain a bit of performance if possible, but the OEM sound is important to me... JMH |
#11
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what exacly is the problem.
unless the pipe is broken into seperate pieces you can always have it welded
__________________
2005 Audi A4 1.8T CVT -Silver/Black "Siegfried" 1982 300D - Silver/Blue "Ralph" -For Sale: http://www.peachparts.com/shopforum/showthread.php?p=852260 1989 VW Diesel Jetta Blue/Blue "Bodo" RIP |
#12
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Well, The MB dealer said the pipe is starting to rust out as is the muffler. I looked under with a light and would have to agree. Looks like the muffler underside isnt too sound.
I didnt know that you could reweld mufflers to proper working condition, I can see patching in a pipe, but not a muffler. None of my or my parents' cars have needed new exhaust assemblies as far as I remember, so Im not very familiar with these things. The last time I remember having a problem was an old toyota my father had when I was really young that made an absolutely horrible sound because the muffler had a hole in it. DOnt know what he got done to it though, I was young. No bad sounds in the MB, but like I said the rust is noticable, and since they said it was starting to look bad, I just figure Id make a plan so Ill be ready to get a new one sometime... Thanks for your time, JMH |
#13
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yeah patching mufflers is common.
My Grandpa had to have his patched every so often (he had an 1980 250 in Hamburg, Germany, talk about rust)
__________________
2005 Audi A4 1.8T CVT -Silver/Black "Siegfried" 1982 300D - Silver/Blue "Ralph" -For Sale: http://www.peachparts.com/shopforum/showthread.php?p=852260 1989 VW Diesel Jetta Blue/Blue "Bodo" RIP |
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