33-2591 K&N Replacement Air Filter, 1977 - 1995 Porsche 928 Models Mazda This is a one-time upgrade

This is a one-time upgrade that will not affect other operations of the PCM

For use in VE-VF and VZ with L76 & L98

Product Part Number Diameter Standard Length Trim Options / Notes VT–VZ Alloy MAF-less Boot V010091 4” / 100 mm 4 1/4” / 110 mm Can be trimmed down to 3 3/4” / 95 mm VT–VZ Plastic MAF-less Boot V010668 4” / 100 mm 6 1/4” / 160 mm Can be trimmed to 4 3/4” / 120 mm or 5 1/2” / 140 mm VT–VZ Plastic MAF Boot V010091 3 1/2” / 90 mm to 4” / 100 mm 2” / 50 mm Designed for MAF applications VE–VF MAF–Throttle Body Boot V010053 3 1/2” / 90 mm to 4” / 100 mm 2” / 50 mm MAF to throttle body connection Important: Please ensure compatibility with your conversion requirements before ordering

New MPVI2 Buyer – Purchase an MPVI2 with Pro Feature Set and the Pro Link cable will come FREE in the MPVI2 box

or towing heavy items including boats

33-2591 K&N Replacement Air Filter, 1977 - 1995 Porsche 928 Models Mazda This is a one-time upgradeK&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your