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  #1  
Old March 27th, 2011, 09:31 AM
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110 300tdi exhaust

Can someone please coach me up on the best exhaust system for a 300tdi? I am trying to reduce noise and increase performance.

Many Thanks,

Will
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  #2  
Old March 27th, 2011, 10:16 AM
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prob a 3in tube, with dual resonators and a turbo style muffler
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Old March 27th, 2011, 10:18 AM
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What do you have now? Do you have a catcon? Job one would be to remove that if so.

From the factory the downpipe is roughly 2.75 inch pipe, after the middle muffler it drops to about 2.5 inch and after the rear muffler it's 2 inch. You could have a 2.75" or 3" system fabbed at a local exhaust shop, and use a diesel muffler from a Dodge or something in the middle. Not sure it would be more powerful but would probably be as quiet as stock and no less powerful.

Don't use a gasoline engine muffler, they are much more restrictive, even Magnaflow or Flowmaster. Diesel mufflers are generally straight through, no baffles.
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  #4  
Old March 28th, 2011, 08:24 AM
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I run a Double S system from the UK they are nice but pricey. The local build is the way to go if you have someone local to do it.
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Old March 28th, 2011, 09:05 AM
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How's bout a 3inch from the turbo to the exit with out anything else? No muffler, resonator.. Only straight 3 " ? Is it really noisier? Does it bring more (noticeable) humpff? My 110 has a 200tdi unit. Mine's rusty and I thought about having the local muffler man to make one.. Advice? (I hope this doesn't bother you WillR as this is more of a question then an answer.. )
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Old March 28th, 2011, 10:02 AM
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wide open with 3in pipe with no muffler resonator or cat will be louder than stock
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Old March 28th, 2011, 10:09 AM
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Keith @ Rover tracks had a thread on here about exactly this. He went straight pipe last fall. He indicated that there was a fairly signifigant performance gain and that interior noise levels were not really any different. He said with the window down when passing something you could definately hear a difference but not an obnoxious one.
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Old March 28th, 2011, 01:28 PM
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Quote:
Originally Posted by 130Tdi View Post
Keith @ Rover tracks had a thread on here about exactly this. He went straight pipe last fall. He indicated that there was a fairly signifigant performance gain and that interior noise levels were not really any different. He said with the window down when passing something you could definately hear a difference but not an obnoxious one.

x2

With the window down next to a concrete barrier on the highway it sounds like about like you are getting chased by a skidsteer.
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