WOT "howl" - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 1 Old 01-21-2011, 11:23 AM Thread Starter
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WOT "howl"

Anyone else have this sound when WOT? If I back of the throttle a little, it goes away. I think it's probably just the turbos but, I just want to make sure. I'm sure it does it on other tunes but, currently have the Spartan 300 loaded. My sig doesn't show it but, it has a "twister" muffler too.

2014 F450

2009 f250 KR 4x4**SOLD
Spartan level 3
FLOW PRO 5" w/DPF/DOC delete

Last edited by superstroked1; 01-21-2011 at 11:27 AM.
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