no muffler 6.4 - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 09-13-2010, 08:43 PM Thread Starter
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Exclamation no muffler 6.4

hey guys I'm new here.. I've been told that removing the muffler will make a difference in the sound and then ive been told that it wont do a thing with the sound. Which is it ? Also need some info on these dpf delete kits, heard that in order to have one, you also have to use a turner with it, is this right ?

Thanks For Any Help
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post #2 of 18 Old 09-13-2010, 08:56 PM
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You must have a tuner to delete the DPF... do it if possible. I did it and gained 7 MPG!

LM
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post #3 of 18 Old 09-14-2010, 05:14 AM
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The muffler is a pass thru design and doesn't make much of a difference in sound. You do need a tuner to delete the DPF. Give us a call if we can help in any way.

-John
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WWW.DPFDELETEKITS.COM
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post #4 of 18 Old 09-14-2010, 03:11 PM Thread Starter
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if i had the muffler removed would i be alble tell that it has been removed when i punched it and when the truck is idleing or is it not worth the $ 80 that the muffler shop is going to charge me

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post #5 of 18 Old 09-14-2010, 03:16 PM
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Not worth it. Spend the money and delete that DPF/DOC. You'll never look back (except to see how much smoke you're blowing out)

2011 F350 Lariat SRW Crew Cab Long Bed 4x4 6.7 H&S Mini Maxx DPF Delete EGR Delete running 265/70/19.5's

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This stuff isn't as simple as tuning your TiVo to record your Jerry Springer re-runs while your out cruising Wal-mart parking lot for transexual hookers.
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post #6 of 18 Old 09-14-2010, 04:42 PM Thread Starter
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didnt really wont to spend $1000 or more, yall know anyone that has ever just removed the muffler ?
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post #7 of 18 Old 09-14-2010, 05:02 PM
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what folks are trying to tell you is removing the muffler is going to do nothing. If you want more power you need to do the dpf/cat delete with a tuner.
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post #8 of 18 Old 09-14-2010, 05:09 PM
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i have a dpf delete pipe and 4" dpf back exhaust with 6" tip and I definitely notice a sound difference especially since switching to the 6" tip.

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post #9 of 18 Old 09-14-2010, 05:56 PM
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like a few post above said, the muffler does NOTHING. u wont notice a difference in sound or perf. so i would waste your time or money getting it off

T-rav
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post #10 of 18 Old 09-14-2010, 06:36 PM Thread Starter
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thanks for the help guys
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