S&B Air Filter for 2009-2015 Silverado/ Sierra 2500 & 3500, Yukun, Tahoe, Suburban, AvalancheBoost your vehicle's performance and filtration with the S&B Air Filter for 2009 2015 Chevrolet Silverado & GMC Sierra 2500 and 3500 and other select GM models like Yukon, Tahoe, Suburban, and Avalanche. Designed for durability and optimal airflow, this high quality filter features a black urethane top, a straight flange with a 4. 5" ID, and a sturdy construction built for heavy duty applications. With a base OD of 8. 25" and a top OD of 7. 5", this