Drone sound I think
I received my Gryphon about a week ago and love it so far. The only problem is I get this "drone" sound and pedal vibration when I reach 60mph. I am running the canned 87 tow as I have not received my custom tunes yet. I have read other threads where this is described and everyone says the cause is a CAI, only thing is my truck is completely stock. Could this still be the drone sound or something else of concern?
2006 F150 Screw FX4
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