In the biking world speed holes/slots is known as Drillium. The lightest element known to man. Some people go way overboard.Well this was tedious.
First some maths and pilot holes.
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Pretty sure this isn't going to be warranty-able...
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Then it was time to add speed holes.
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Such a mess.
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Seemed like the best way to mark clear lines over convex and concave surfaces.
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Finally we have speed slots!
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I left some space between the slots to retain some rigidity. And offset them front and rear. Additionally, this is an 1/8" extrusion and has a centre divider so it's still pretty structurally sound, IMO.
Much more robust than the aftermarket offerings that will likely result in your death:
I like my family.
I need to weld on the wings and see what it weighs compared to the stock unit. If I am disappointed I may have to find some more weight in it.