PRL | Replacement Cone Filter | Honda Civic Type R | FK8 K20C1 2.0T | 2017+PRL Motorsports air filters are designed to last a lifetime with proper cleaning maintenance (with biodegradable cleaner and synthetic oil). Lighten your wallet while helping the environment! PRL Motorsports oiled filters utilize double layer woven cotton with deep, dense pleats to increase the filtration surface by 10% 15%, which promotes a greater volume of air into the combustion chamber while also maintaining superior filtration. This specially