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This K&N drop‑in replacement air filter fits select 2011–2012 GMC Sierra and Chevy Silverado applications and installs directly into the factory air box. The washable, reusable layered oiled cotton media is engineered to improve airflow and trap contaminants, potentially increasing horsepower while providing long service life. The filter is backed by K&N’s lifetime limited warranty.
K&N Replacement Air Filter for 11-12 GMC Sierra / Chevy Silverado
