Quote:
Originally Posted by URY914
Someone explain how this provides an advantage?
Or is it just against the rules?
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Paul according to this article it's a potential aero increase .
https://www.indystar.com/story/sports/motor/indy-500/2025/05/19/indycar-attenuator-indy-500-qualifying-penske-josef-newgarden-will-power/83725757007/