my 1st tank before K&N air filter is around 12KM/L
After changed to K&N Air Filter, my meter showing 14.1KM/L

Mostly from Setia Alam to Cyberjaya via elite highway, then to Subang back to Setia Alam. Weekend drive around Subang, SS2 and 1U areas.

Average speed 70km to 100km on highway, in urban road, press pedal gently.

Tomorrow will do 1st 1000KM service. See the FC will improve after 1000KM service or not.

After i parked my car for long time (lets say after 5 hours), when i on the air con, i heard a loud "tak" sound. Then I off the air con and on again for second time, the "tak" sound not there anymore. This happened especially when i start the air con in early morning or when i am leaving office around 6pm. Anyone having the similar issue?