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LOUDON, NH - JULY 18: Kyle Busch, driver of the #18 Interstate Batteries Toyota, sits in his car during practice for the NASCAR Sprint Cup Series 5-Hour Energy 301 at New Hampshire Motor Speedway on July 18, 2015 in Loudon, New Hampshire. (Photo by Jeff Zelevansky/Getty Images)

LOUDON, NH - JULY 18:  Kyle Busch, driver of the #18 Interstate Batteries Toyota, sits in his car during practice for the NASCAR Sprint Cup Series 5-Hour Energy 301 at New Hampshire Motor Speedway on July 18, 2015 in Loudon, New Hampshire.  (Photo by Jeff Zelevansky/Getty Images)