I love the ings+1 rear bumper and side skirts so I've done the research on this already. Only the front end of the MS3 is different from a regular 3 hatch. This will fit.
Proof:
Mazda 3 hatch with Mazdaspeed 3 rear bumper http://www."the_other_forum".com/index.php?topic=111505.0
I'm sure I...