Straight Pipe or Muffler? - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 10-03-2012, 11:20 AM Thread Starter
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Straight Pipe or Muffler?

What is the benefit of one over the other. Will be doing a delete in the next couple of weeks and wanted to know the benefits of one over the other.

Thanks
Alonzo
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post #2 of 9 Old 10-03-2012, 11:28 AM
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The sequential turboes are very quiet on the 6.4s so I will say go straight piped

It will allow better flow, but will not be too noisy!

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post #3 of 9 Old 10-03-2012, 11:41 AM
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I agree, the 6.4's a pretty quite compared to other diesels. I have a 5" exhaust with no muffler and it's not loud at all

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post #4 of 9 Old 10-03-2012, 12:24 PM Thread Starter
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sweet. Besides sounds is there any other benefit of having/not having a muffler?
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post #5 of 9 Old 10-03-2012, 12:26 PM
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Less exhaust restrictions allowing the engine to breathe more... = more power, Lower EGT's. So, yes it is better without anything restricting flow

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post #6 of 9 Old 10-03-2012, 12:39 PM Thread Starter
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exactly what i was looking for. thanks
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post #7 of 9 Old 10-03-2012, 08:03 PM
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Quote:
Originally Posted by Six0~Stroker View Post
Less exhaust restrictions allowing the engine to breathe more... = more power, Lower EGT's. So, yes it is better without anything restricting flow
This is not true when using an aftermarket exhaust system. Most systems use a "free flowing" or "flow through" muffler which do not hinder performance whatsoever.

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post #8 of 9 Old 10-03-2012, 09:04 PM
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Originally Posted by SickStroke6.0 View Post
This is not true when using an aftermarket exhaust system. Most systems use a "free flowing" or "flow through" muffler which do not hinder performance whatsoever.
Exactly. And besides, nothing added will have anywhere near the restriction the stock system had.

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post #9 of 9 Old 10-04-2012, 05:53 AM
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Ya the flow through mufflers don't do to much, but like everyone else said, it's a quiet truck.

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