K&N Round Air Filter Assembly (60-1170) Build to Order 5 perfectly - the result

5 perfectly - the result is a bespoke oil cooler kit with true motorsport development behind it

with a noticeable increase in induction and dump valve recirculation noise

progressive rate spring that can allow for the retention of boost pressure over a wide adjustment range

PFR57-1508 fits 19

K&N Round Air Filter Assembly (60-1170) Build to Order 5 perfectly - the resultK&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide more air flow than other assemblies of this type. Available in 4 different designs, the perfect assembly is sure to be