Hi guys,
Recently my brother just purchased a Wira with Evo 3 engine in it.
It comes with an Apexi SAFC first model, everything works well but the device is not showing the reading of Air Flow.
i hav an old K&N air filter for carburettor and i wanna install it in my nissan sunny DIY. should i change the filter of should i just buy the oil and apply it only??? if so where to buy the oil....i am living in...