Dale Earnhardt Jr. joins co-host Mike Davis via Zoom from his family vacation for this week’s edition of Dirty Air. The NASCAR world has concluded their west coast swing and there was plenty to unpack:

• Denny Hamlin speaks candidly about his dust-up with Ross Chastain 
• JR Motorsports’ turbulent Xfinity race at Phoenix
• NASCAR confiscates louvers from Hendrick Motorsports and Kaulig Racing
• NASCAR’s new short track package gets its first test

During the Ask Jr. segment, listeners sent in questions regarding: (36:30)

• Competing against IndyCar racers on iRacing
• The worst car Dale ever won with
• His March Madness bracket
• The weekend controversy at Hickory Motor Speedway