33-2573 K&N Replacement Air Filter, 1986 - 1997 BMW/ Audi Models vcm tools The bolts are available in

The bolts are available in a variety of lengths

Every model has easy to read computer etched timing marks and meet SFI specification 18

Optional outputs for 0-5V & RS232 for data logging and feedback control (requires wiring)

*All surge tanks are made with dual pump outlets

Low-profile design maximizes header clearance

33-2573 K&N Replacement Air Filter, 1986 - 1997 BMW/ Audi Models vcm tools The bolts are available inK&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