Combustion efficiency depends greatly on the efficiency and volume of air supplied through your engine systems. The inclusion of Acura CL air filters contributed to your vehicle’s fuel efficiency features enabling you to maintain ideal air-fuel ratio in effectively boosting overall engine output. For over 30 years of expertise and time tested technology applications, K&N air filters has been trusted to take charge of your busted and worn stock filters. Geared toward achieving excellent fuel economy, air filters by K&N K33332178 is designed to cope with extreme demands of any possible driving applications. The secret to the product’s high-flow features lies on its multiple sheets of pleated cotton gauze sandwiched between aluminum wire mesh. It makes use of a powerful filtering medium with thousands of microscopic threads that have been subjected to specially formulated oil resulting to prevent the intrusion of contaminants offering higher levels of efficiency on its filtration capacities. With up to 50,000 miles of filtration efficiency, it is made washable and reusable so you can continually depend on its reliable service outperforming the performance levels offered by ordinary filters by providing 50% better air flow leaving your engine relatively cool and clean. Our site carries a wide selection of Acura air filters available for 2002-2003 CL Air Filter applications. Seal your great K&N deals with us for your next part replacement. Just look in our online catalog to help you find the right repair manual you’ve been looking for. We have customer service personnel available 24/7 to assist you. Contact them any time for your questions and concerns.