Are Piper Vortex Generators Worth It? The consensus seems to be yes

Effect of vortex generator spanwise height distribution pattern on aerodynamic characteristics of a straight wing, Advances in Aerodynamics

Piper Vortex Generators VGs Review — Piper Forum

Rocky Landsverk, Author at Piper Owner Society

What is vortex generator? - Quora

Rocky Landsverk, Author at Piper Owner Society

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Vortex generator - Wikipedia

BEYC #394 - Bored Eye Yawn Club

aerodynamics - Why do most GA aircraft not have vortex generators? - Aviation Stack Exchange

Replacing Your Piper Seat Covers

August 2016 - U.S. Edition in English by AgAir Update - Issuu

aerodynamics - What's this vortex generator like thing below the wing? - Aviation Stack Exchange