These do not grab as well as the regular Hawk HPS do on a Mazdaspeed3. They dust slightly less than the HPS.
As expected, going from HP Plus to these is a very noticeable difference, both in decreased dust and a much less grabby brake feel. You really have to get on it to get them to grab. This is not bad in itself, but it takes longer to get the ABS to kick in, which means the brake path traveled is longer. They also fade after 3 or so hard 60-20 stops.
As another comparison, EBC Yellows/Hawk HPS were both better pads - stock level grip and dust levels.