Arrowhead Stadium takes back its noise record - NBC Sports
Chiefs fans reclaim stadium noise record from Seattle
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Kansas City Chiefs fans reclaim record for loudest crowd roar at sports stadium
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One louder: KC roars to new stadium sound record
Kansas City Chiefs fans set record for loudest stadium in the world - The Scoop
Sounding off: Chiefs fans set world record
Why is Arrowhead in Kansas City the loudest NFL stadium?
Chargers eager to face hostile Kansas City crowd at Arrowhead Stadium – Whittier Daily News
Kansas City Chiefs fans reclaim record for loudest crowd roar at sports stadium
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3M Donates Ear Plugs for Chiefs' Game -- Occupational Health & Safety
Chiefs fans will try to break Guinness World Record for loudest stadium