noise from engine or exhaust - Ford Powerstroke Diesel Forum
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Old 10-30-2008, 07:55 PM
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noise from engine or exhaust

After I installed my airaid intake and 4 inch turbo back exhaust i am getting a whooshing sound when i get on the gas and then let off quick. What is this noise and will it damage anything.
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Old 10-30-2008, 09:54 PM
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It sounds like turbo fart--air surging back through the turbo. With an aftermarket intake, you can hear it a lot more easily than with the stock filter. It's nothing to worry about.
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Old 10-31-2008, 07:05 AM
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i got the same thing after installing mine....i enjoy the reaction from the people in the lane next to me when i do it:burnout
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Old 11-10-2008, 05:29 PM
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Pressure Release?

After installing a CFM Large mouth intake manifold on my 06 powerstroke, I began to notice a sound similiar to feedback coming through a speaker. It is loudest when I am accelerating under load. A couple of times, I heard it right after I shut the engine down. I can't tell if it is coming from inside the truck or under the hood. My Pop says that it is pressure coming back through the intake. Could this be the same thing as the 'turbo fart' you mention? I have not lost any horsepower and everything seems mechanically sound. Has anyone else experienced this, or know what may be the cause?


'06 F350 Lariat
Afe CAI
Silverline 4" Turbo Back Dual Exhaust
Superchips Programmer
CFM+ Large Mouth Intake
6-spd Manual
19.5" American Force Classic Round Hole Wheels
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Old 11-10-2008, 05:43 PM
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Quote:
Originally Posted by tech10002 View Post
It sounds like turbo fart--air surging back through the turbo. With an aftermarket intake, you can hear it a lot more easily than with the stock filter. It's nothing to worry about.
no im just kidding i never got to use the "BS" flag before

but i agree with you 100%
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Old 11-11-2008, 03:18 AM
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Thanks for the reply and reassurance!!

Hawk
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