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The K&N drop-in High-Flow air filter for the 2014–2017 Smart Fortwo L3-0.9L F/I is a washable, reusable replacement element engineered with layered, oiled cotton media to improve airflow and capture contaminants. K&N states the filter can increase horsepower, installs into the factory air box and is covered by K&N's No-Hassle Lifetime Limited Warranty.
K&N 2014 Smart Fortwo L3-0.9L F/I Replacement Drop In Air Filter
