I've never seen one. Changing the wiring harness is not for the faint of heart.
Better off finding a nice/used SVT. Then you'll get the performance your after.

95 Contour GL. Bought new. BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids. Looking for 15" alloy rims-PM me. 180,500km's so far.