You asked, I've delivered (Part #'s of 2017 vs. 2015 Mirage Suspension)

[Rkt Ship]

Any way we could get some cross reference of brake calipers and rotors since I know the 2017 has larger rotors. If the calipers are the same then just getting 17 rotors will be an upgrade.

[Cani Lupine]

I got More info on the New 17 Mirage Parts ####.
Here they are.

FR Susp Coil Spring Part # 4040A412 :PNC Part Spec: 40176
Crossmember,FR Axle # 4000A388 :PNC Part Spec: 32162
FR Susp Stabilzer Bar # 4056A139 : PNC Part Spec: 40603
RR Susp Torsion Axle & Arm Assy # 4120A150 : PNC Part Spec: 41701A


Hope that helps a little for any one thinking about going with the 17 Setup

I Googled that rear axle part number, and it comes up with the 2015.