you see people doing it. I never would however. It gives you an 1 1/2'' overhang on each side. Too much angle on the bead. I have 03 cobra rims that I like so I had them widened. I had 2'' added to the inside of the rim. Then I put on a 1'' thick wheel spacer, esentially adding an inch either way. I now run a 315 35 17 Nitto NT01. it costs about $175 per wheel. find Stockton Wheel or Weldcraft online either can do it.
__________________ 97 Cobra-03 Cobra t56 and alum DS, SPEC111 clutch, FRPP 4:10,T&J Performance Forged 4v(8.9:1), Manley rods, Novi 2000 w/ Fast Track A/A I/C, Barry Grant Fuel syst., BBK longtubes and H-pipe, MSD ignition, Detroit True Track, Magnaflows, 315 NT01's on 17 x 11's, KB BAS, SCT tune and about a million other things. 575 RWHP. Going into the shop this winter, looking for 650 RWHP. | 
which tire size to use? 2003 Mustang GT 
