Reviews of OEM Mazda air filter

The white filter is Mazda OEM filter, what you got from factory or from dealership... That filter works fine as it is. Do you need 3rd party filter? Well, if you constantly running in 5000-7000 RPM, 3rd party filter might allow more airflow, also potentially more debris in order to provide more airflow. More airflow means potentially more HP/Torque. For spirited driving. If you drive in normal manner and occasional spirited driving, stock airflow is enough and will provide more debris filtration (for better engine longevity).

If you slap a cone air filter on, it will sound better but just replacing a flat filter in the airbox offers no benefit and could potentially let more dirt get in the engine. I wouldn't bother

At my dealer, I showed their parts window a pic of it for $34 USD online on Mazda’s parts website, and he just matched the price….

I buy them at the dealer, it's like 30$CAD and replace them myself, without any tools, in literally less than 5 minutes.

Cabin and Engine air filters are so easy to replace - took me 20 min and prob $40 in parts.