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Old 04-18-2010, 02:26 PM
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K&n CAI whistle problem????

I just installed a K&N CAI for my 2008 F-150, 5.4L V8. I love the throttle response, power, sound and increase in mpg that I got with it. The only issue is that I am getting a whistling sound, while driving, around 1000-1400 rpm. I checked the connections/fitting and they were all tight. I called K&N and they said that its prob the air passing over the throttle blade, and there is nothing I can do about it.. Anyone have this problem? If so, I am open to suggestions. Thanks....
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Old 04-18-2010, 03:11 PM
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Honestly?

Put the stock intake back on. Do the Gotts mod instead and use the money towards a programmer with custom tunes.
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Old 04-20-2010, 05:57 AM
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what is the Gotts mod ?
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Old 04-20-2010, 06:07 AM
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Quote:
Originally Posted by maddogken View Post
what is the Gotts mod ?
The real question is "What's Google?"

Google

http://www.f150online.com/forums/art...3-f-150-a.html

http://www.f150online.com/forums/exh...4l-engine.html
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Old 04-20-2010, 06:07 AM
 
 
 
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