K&N Universal Oval Air Filter 12in Length x 5-1/4in Width x 3-1/4in Height - E-3671 fits_1972-1978`Mazda`RX-3 BMC Carbon Dynamic Airbox Replacement

BMC Carbon Dynamic Airbox Replacement Filtering Element (For PN ACCDASP-45)

16% thinner-than-stock tubes allow for more surface contact

If you're looking to crank up a notch or bring it down

The perforated

K&N Universal Oval Air Filter 12in Length x 5-1/4in Width x 3-1/4in Height - E-3671 fits_1972-1978`Mazda`RX-3 BMC Carbon Dynamic Airbox ReplacementK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your