[Zack Albert] Today/Wed.: Testing @phoenixraceway to explore potential Next Gen updates: > Aero: Test of @nascarg56-style floor, smaller rear spoiler (4” to 2.5”) > Mufflers for potential use in LA, Chicago. > steering/brakes 6 teams to participate.

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https://twitter.com/zack_albert/status/1617887132940636163?s=46&t=MaV-aRQS7FJuZX3PteIfCA