6.4 5" Flo-Pro exhaust - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 14 Old 01-02-2011, 12:22 PM Thread Starter
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6.4 5" Flo-Pro exhaust

What kind of sound will i get with the 5" downpipe back with/without? a muffler? I have 4" DPF/CAT delete with no muffler and it sounds like **** when the boost builds up any higher than idle, sounds like a hair dryer 5" any better?????
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post #2 of 14 Old 01-02-2011, 01:31 PM
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yes it is, hang on il post my vids

2010 sti

08 f250
Airaid intake, black max, 5" turbo back (dpf delete)off road only ofcourse
Tint, brushgaurd piaas, hid upgrade, piaas in the back, piaa fogs, lots more and more to add. Any suggestions?
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post #3 of 14 Old 01-02-2011, 01:32 PM
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VID00007.mp4 video by clutchdabomb22 - Photobucket
VID00006.mp4 video by clutchdabomb22 - Photobucket

2010 sti

08 f250
Airaid intake, black max, 5" turbo back (dpf delete)off road only ofcourse
Tint, brushgaurd piaas, hid upgrade, piaas in the back, piaa fogs, lots more and more to add. Any suggestions?
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post #4 of 14 Old 01-02-2011, 02:11 PM
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IMO, 5" with a muffler sounds the best.

Sales @ Rudy's Diesel Performance
*CONTACT US FOR SPECIAL PACKAGE DEALS ON SPARTAN, SCT AND H&S PERFORMANCE DPF/CAT DELETE KITS*
(919) 383-9300 OR Toll-Free # 1-866-757-6537

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post #5 of 14 Old 01-02-2011, 02:30 PM
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Sounds like a 5" hair dryer instead of a 4" hair dryer
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post #6 of 14 Old 01-02-2011, 02:36 PM
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Its a diesel truck, if you don't want the hair dryer u should get some big stacks or buy gas

2010 sti

08 f250
Airaid intake, black max, 5" turbo back (dpf delete)off road only ofcourse
Tint, brushgaurd piaas, hid upgrade, piaas in the back, piaa fogs, lots more and more to add. Any suggestions?
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post #7 of 14 Old 01-02-2011, 02:48 PM
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I have the 5in from rudy's with the muffler and I love the sound. Aaron at rudy's is the best for all your needs.

2008 F350 4x4 6.4 Job 3 (kem 345 5in exh K&N cold air)
2005 Dodge Viper SRT-10 Mamba Edition sold
2008 Volvo C30 T5
2008 36f Hallmark
2006 Chrysler 300 SRT-8
2002 F350 7.3
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post #8 of 14 Old 01-02-2011, 02:48 PM
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Quote:
Originally Posted by blacksoot250 View Post
What kind of sound will i get with the 5" downpipe back with/without? a muffler? I have 4" DPF/CAT delete with no muffler and it sounds like **** when the boost builds up any higher than idle, sounds like a hair dryer 5" any better?????
So you already have a four inch exhaust and you want to change it out for a five inch for better sound?? You do realize that there isn't any real performance gain to be had for swapping to the five inch. Seems like a lot of money just for better exhaust sound.
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post #9 of 14 Old 01-02-2011, 03:03 PM
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clutchdabomb22, is yours 5" straight or with a muffler? Sounds very nice.

2012 F350 XLT CCLB 4x4 6.7

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post #10 of 14 Old 01-02-2011, 03:05 PM
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muffler, and thanks i really like it too, you cant hear any of the " hair dryer" noise while driving it, it never has bothered me!

2010 sti

08 f250
Airaid intake, black max, 5" turbo back (dpf delete)off road only ofcourse
Tint, brushgaurd piaas, hid upgrade, piaas in the back, piaa fogs, lots more and more to add. Any suggestions?
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