Did you install some axle back for your my17 at the end?
i read in the confidential Subaru leaked document about the brz (dated june 16) that they did modify both the headers AND the catback
In fact, HKS doesn't offer the axle-back
32018-AT039 (good for every other older models), but they now offer for the my17 model another axle-back
32018-AT058
So do you guys think older axleback aren't compatible with new model anymore?