"Is the K&N air filter the forced induction??"
No, forced induction means the engine is fed with pressurised air by an air pump. That pump would be a supercharger or a turbocharger.
Forced induction is characterised by pressures in the inlet of the engine above atmospheric pressure.
it makes you car sound and go like this:
https://youtu.be/UhGhdv-r5c8?t=26s :-)