Are the factory underhood seals in place? If the cowl seals are missing, the high pressure created at the base of the windshield may force less airflow under the hood. That said, if it's not overheating, i'm not sure i would chase this concern for very long.

1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]