Fuel Frpp Manifold/tbi Whistle/whoosh

timjimmy

Active Member
Jul 7, 2013
215
12
29
Clarksville, TN
I added the Ford Racing intake manifold and throttle body pack to my '06 GT about six months ago, and ever since the engine makes a whooshing, whistling sound while cruising. It's just loud enough to only hear it when driving under an overpass. Has anybody else encountered this?
 
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