Because the secret to boost combustion efficiency lies on a significantly increased bulk of air intake and oxygen concentration to air-fuel mixture, your vehicle is equipped with heavy duty Acura Legend Air Filter. This engine component is geared towards higher levels of efficiency by establishing minimized restriction in delivering precision flow of clean and clear air. Over time, stock air filters loses its efficiency with age due to the accumulation of dirt and unwanted particles. Good thing K&N Air Filter is conveniently available for 1987- 1990 Legend Air Filter applications. Featuring high-flow design with virtually unrestricted flow, its efficient service significantly achieves a substantial increase in overall engine output. The product is designed for highly efficient filtration levels critical in ensuring longer engine life efficiency. K&N K33E0999 is a washable and reusable filter of pleated four to six layers of cotton sheets or gauze with aluminum wire mesh for added stability. The filter is subjected to specially formulated oil to exhibit maximum filtrations capacities that efficiently traps unwanted debris and contaminants. It may also be accounted to the product’s tackiness throughout the microscopic strands of its constructions. As a cost effective tune-up engine component, it also helps in maintaining ideal working conditions for your engine components to work at their finest benefiting the overall handling characteristics and performance ideal for any possible driving conditions. For your next Acura Air Filter replacement, visit our site and browse through our selections of K&N air filter design applications. As a great valued investment, it makes a sure fire solution to effectively deliver powerful engine performance while enabling your vehicle to achieve the best possible fuel economy it could deliver.