| 2009 GMC Yukon / Sierra XL, 1500, Denali, Chevrolet (Chevy) Tahoe, Suburban 1500 & 2500, Silverado 1500 Avalanche and Cadillac Escalade Air Intake Video K&N has designed a performance air intake system for the 2009 GMC Yukon & Sierra XL, 1500, Denali, Chevrolet (Chevy) Tahoe, Suburban 1500 & 2500, Silverado 1500. K&N dynamometer tests show a 17.02 horsepower gain at 5342 RPM with use of this K&N air intake modification. |
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