straight pipe - Diesel Truck Forum -
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post #1 of 5 (permalink) Old 12-06-2007, 02:39 AM Thread Starter
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straight pipe

I was asked by a friend that just straight piped his power stroke if it will hurt anything. so thats why I'm asking. Do you need any back pressure on a diesel. If not why am I running a 5'' with a muffler:shrug: Should I ditch the muffler is it safe to do tell me :bow:
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post #2 of 5 (permalink) Old 12-06-2007, 02:45 AM
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straight pipe both it wont hurt anything
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post #3 of 5 (permalink) Old 12-06-2007, 03:39 AM
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5inch straight pipes sound really nice. I've heard that unless you're pushing a bit of fuel that 5inch is too excessive and will actually hurt performance, but probably not too much. I say go for it, just keep your muffler incase you don't like it. In many states, the turbo counts as a muffler for legal purposes as well.

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post #4 of 5 (permalink) Old 12-06-2007, 12:22 PM
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I know a lot of people that run straight piped...they are a bit noisy but they do sound relation to your back pressure question, the turbo will create enough back pressure for the engine...:Thumbup: I would ditch the muffler and enjoy!

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post #5 of 5 (permalink) Old 12-06-2007, 02:12 PM
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I've been without a nuffler now for over 3 years now and love it.

But here is the write up on it...

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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