Buick LaCrosse Air Filter

K&N Performance Air Filter - Since 1969 K&N Engineering has been designing, manufacturing, and enhancing High-Flow Air Filters for the automotive and motorcycle enthusiast interested in maximizing horsepower and acceleration. The K&N FilterCharger air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.  K&N automotive OE (original equipment) replacement air filters generally add 1-4 horsepower. K&N's high flow cotton gauze air filter is washable, reusable and built to last for the life of a car or truck engine. Handmade in the USA and in the United Kingdom using only the finest materials, K&N OE Replacement Air Filters are washable and reusable. K&N warrants its street vehicle OE Replacement Air Filters for one million miles. When used properly and found to be defective, return your filter and the receipt from purchase and K&N will replace it free of charge.