What is the purpose of the plexiglass that runs along the back of all NASCAR vehicles? It's about 6” tall and runs down the back window from the roof to the airfoil
Check out NASCAR's new rear spoiler - syracuse.com
10in NASCAR Spoiler Build - Third Generation F-Body Message Boards
Cup car's wing has a downforce to be reckoned with - ESPN
Nascar Restores Familiar Spoiler to Its Racecars - The New York Times
Review: Spoiler alert! NASCAR plucks its wings - The Globe and Mail
NASCAR cuts spoiler as part of changes to short track package - AutoRacing1.com
At-track photos: December's two-day Next Gen test at Charlotte | NASCAR
Do you guys know what this is called on top of the cup cars back in 2000 and 2001 : r/NASCAR
Dustin Long on X: "#NASCAR ... Rear spoiler https://t.co/rNdEtk9kor" / X