Roof light bar wind diffuser

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Sharkman

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Joined
Feb 28, 2019
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Location
Southern California
I installed a 54" Rigid Curved Roof mounted light bar. On the back side, I used (3) Rigid 40280 resonance dampers which took care of the whine. However, the wind noise is awful when driving @ highway speeds.

I see Zroadz has a noise cancelling wind diffuser, but not sure how well it works. Has anyone used this yet with good results?

Rigid said to go to Home Depot and get drip system tubing, cut it in half and shove it between the heat sink fans. They claim that will solve the problem but I am not sure.

What have y'all used to eliminate/lesson the wind noise from roof-mounted light bars?

And smart-ass answers of removing the light bar is not an option! I love the way it looks and lights up the road....
 
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