Chiefs Break Seahawks' Guinness Noise Record Arrowhead Stadium is once again the loudest outdoor venue in sports.
Kansas City Chiefs Fans Will Attempt To Break Seahawks' Record For Crowd Noise - AgainKansas City Chiefs fans are looking to knock the 12th man out of the Guinness Book Of World Records when it comes to crowd noise -- again
Chiefs Fans Try To Break Seahawks' Noise Record When the unbeaten Chiefs welcome old rival Oakland to Arrowhead Stadium Sunday, the fans will be trying to break a Guinness world record for loudest crowd roar in an outdoor sports stadium set earlier this year by Seahawks fans.

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