I'll have to say it won't fit, as the trunk mat doesn't even sit flat on top of my factory SVT spare (it's a 15").

1999 Red / Tan SVT #1969 of 2760 Built 4/21/99 K&N, DMD, FMS Wires, ES Insert / Bushings, PF End Links 17" FSVT 5-Spokes Factory Spoiler 35% Tint All Around