I delete this earlier.

But here's what I'd do.

New Air Filter
New Plugs - I usually use the middle priced ones as i replace mine once a year and 1/2 ish.
New Oil + Filter
Clean Intake Track - TB, IM, Airbox, New Filter. Throttle Plate.
Oil Flush - I really like Liquid Moly products.
Clean the knock sensor
Clean the MAF
Clean around the Knock Sensor
Subby Upper Head Cleaner
Strong Fuel System Cleaner - Recommend the liquid Moly stuff.
Idunno about k24 but my k20 had 2 filters which were dirty. One is near the power steering pump I think and other was near the oil filter. Clean these as well.

Any performance engine should have this done atleast once a year, specially if you like hitting tek often.

Since your going this far, may as well do the full thing lol, new coolant, gboxfluid, inspect on powersteering fluid/brake fluid + Serpentine belt. With a full detail. Whole day project and leaves the car smick.