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    57-3021-1 Install for 1999-2004 Chevy Silverado 1500 and GMC Sierra 1500 4.8L/5.3L Models

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    KNFilters

    by KNFilters

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    K&N has designed a performance air intake system for the 1999, 2000, 2001, 2002, 2003 and 2004 Chevy (Chevrolet) Silverado 1500 and GMC Sierra 1500 4.8L/5.3L. K&N dynamometer tests show an estimated 9.12 horsepower gain at 5352 RPM with use of this K&N air intake modification. K&N tests multiple vehicles for each air intake system it makes to ensure a consistent horsepower and torque gain. This video demonstrates the steps needed to install a power gaining K&N air intake into 1999 through 2004 Chevrolet (Chevy) Silverado 1500 and GMC Sierra 1500 with the 4.8L and 5.3L engine. http://www.knfilters.com/search/product.aspx?Prod=57-3021-1