IDA Throttle Body To K&N Air Filter Adapter https://www.efihardware.com/products/2245/IDA-Throttle-Body-To-KN-Air-Filter-Adapter
Adapting plate enables fitment of IDA K&N air filler assembly to 55mm IDA throttle body.
Requires 831-055SK Ram tube and base in place of standard or high flow ram tubes to fit in side K&N Element.