6.7 straight pipe noise - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 11-01-2012, 09:17 AM Thread Starter
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6.7 straight pipe noise

i have a flo pro 5" straight pipe on my 6.7 with everything deleted. i am wondering why it makes that loud whirling noise in first and second gear?

just wondering.

2012 F-250 6.7L 4x4 Lariat CCSB, Titan 51gal, BDS 4" kit with Fox Shox, Toyo AT II 35/12.50R20, Ranch Hands front and rear

2007 F-150 King Ranch 4x4 2" Autospring, Bilstein 5100s on all four corners. Nitto A/T 285s.

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post #2 of 7 Old 11-01-2012, 03:46 PM
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that's just how the turbo sounds
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post #3 of 7 Old 11-01-2012, 04:19 PM
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Thats the sound of the variable wastegate and variable turbo. nothing you can do about it.

2012 F350SRW CCSB

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post #4 of 7 Old 11-02-2012, 06:05 AM
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Its completely normal, dont worry about it.



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post #5 of 7 Old 11-03-2012, 12:36 AM
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Quote:
Originally Posted by wreedPS View Post
i have a flo pro 5" straight pipe on my 6.7 with everything deleted. i am wondering why it makes that loud whirling noise in first and second gear?

just wondering.
Cause it's a bada$$ truck, that sounds like a jet! (it's the single sequential turbo doing its job)

Your not disliking the sound are you? I love it!

2013 Lariat Eco-Boost F150 Super Crew 4x4 20K Miles. Max-Tow 3.73's, luxury package. Amp Steps, Raceline Raptor Wheels, Bak-Flip, and much more.


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Nitto Terra Grappler 295/70/R18 on OEM's
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post #6 of 7 Old 11-06-2012, 03:43 PM
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I'm really going to miss that sound when I upgrade turbos.

2011 F250 6.7 4x4 CC Lariat

6" 4-link BDS
22" Fuel Hostage
37" Toyo MT
H&S BLACK MAXX,
5" MBRP straight pipe
AMP Steps
Truck pics ---->http://www.powerstroke.org/forum/6-7...o-37-m-ts.html
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post #7 of 7 Old 11-07-2012, 02:36 AM
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Quote:
Originally Posted by mysticblu999 View Post
I'm really going to miss that sound when I upgrade turbos.
Spend your money on rods first, turbos second. IMO

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