There not the same. The SAP only has 2 mounting bolts where the SVT has 4 (I think!).
Can you upload a pic of the 'bottom' of the spoiler? I can walk you through how to insure it is dead center if you like.
ADD >> Oh ya! VERY important. Did your spoiler come with mounting hdwre?
Steeda SRI w/CAI intake. Trubendz SS 2.5" . FR Susp/Struts. Tune by Tom (FocusPower). Rota Grids. SAP rear spoiler. Custom front air dam, rocker panel bits and Rear valance.
Last of the Hatches #28