K&N High-Flow Original Lifetime Engine Air Filter: High Performance: Compatible with 2002-2009 Chevy/GMC/Saab/Buick/Oldsmobile (TrailBlazer, Envoy, Denali, 9-7x, Rainier, Ascender, Bravada) E-1009

K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty, and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.Compatible Vehicles:2002-2009 CHEVROLET TrailBlazer2002-2009 GMC Envoy2005-2009 SAAB 9-7x2004-2008 BUICK Rainier2006-2008 GMC Envoy Denali2003-2008 ISUZU Ascender2002-2004 OLDSMOBILE BravadaCross Reference:AC Delco A2014CBaldwin RS4161Beck/Arnley 0421664Carquest 87729Carquest R87729Champ Labs. AF2014Chevrolet 15832650DuraMAX DA2014Eco Gard XA5433Fram CA9345GMC 15036141Hastings AF1135Isuzu 8150361410Isuzu 8158326500Luber-Finer AF2014MicroGard MGA42729Mobil MA5433Napa 2729Parts Plus AF2014Premium Guard PA5433Pronto PA5433Purepro A5433Purolator A35433Service Champ AF5433Service Pro MA5433STP SA9345Valvoline VA161Warner WAF2014WIX 42729WIX 42736

• REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
• CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
• RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
• EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
• 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
• ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
• MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability