AirAsia will impose a comparatively reasonable charge of between RM3 and RM5 for checked luggage (around Aus$1 to Aus$1.50) depending on whether credit for the baggage was purchased over the internet in advance or the fee was levied at check-in. This is, of course, only one of a growing multiplicity of fees the budget-conscious traveller needs to be aware of when travelling on low cost carriers – either in order to factor into the total cost or to avoid. Presumably, this also means that carry on limits will be enforced even more strictly on AirAsia in the future.
There is no mention of AirAsia X, although presumably this or a similar policy will apply.
The extra charge will apply to flights booked after the 21st of April.
UPDATE
The link which I omitted.
Oz Traveller 