Best in-car audio: Chad Knaus not pleased with 'Super Brad' Keselowski

BY foxsports • May 7, 2014

Racing at Talladega is always tense ... which makes for great in-car audio. With 'Dega in our rearview mirror, it's time for another edition of NASCAR Race Hub's "Radioactive."

Brad Keselowski's antics don't sit well with the No. 48 team. Brian Vickers is mad at his boss. And Dale Earnhardt Jr. is really impressed with the revamped backstretch. 

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