Episode 6: Historic finishes and wild restarts as Dirty Air hits California

Driver Regan Smith Reacts to Jimmie's Steering Wheel Mishap

Dirty Air speeds through Vegas and ahead to Phoenix

Episode 4: Low downforce not a drag in Atlanta, Vegas preview

Episode 3: Changes for Stewart-Haas Racing and Historic Daytona 500

Steer Clear: Speedweeks Part 1

Regan Smith Breaks Down Chase Changes

Regan Smith wins at Dover

NASCAR Xfinity 2015: Mid-Ohio Lexington crash angry Alex Tagliani interview after the race

Smith vs Dillon Fight - Watkins Glen 2015

Smith spin causes chain reaction

NASCAR Xfinity Daytona 2015 Smith Flips in First Big One