Air flow meter?
If its the MAP sensor youre talking about, there's a resistor in the box that detects the temperature of the air flow, but I dont think it needs any cleaning...
Open pod air filter
De-cat straight flow exhaust (stock diameter)
Boost increase to 0.9 bar (stock turbo)
Splitfire ignition coil
Blitz FMIC
Manual gearbox
The iconic Honda Civic is set for a full-model change next year and Honda certainly are shouldering quite a burden with the expectations that would follow on a model...