Kyle Larson won the NASCAR Cup Series race at Sonoma on Sunday and played a little prank on his mom in the process. After the race, Larson’s mom took a video of her son and waved at him as he was driving to victory lane. Larson responded by blasting noise from his car, which led to his mom jumping up and covering her ears. Larson was happy about winning his 26th career Cup Series race after an interesting week. The victory comes after NASCAR announced he will receive a playoff waiver after missing the Coca-Cola 600 last month. “I think there’s relief on my end even though I wasn’t really payin…