Factory 16's. Down grade to 15's = Less responsiveness from steering.
A lot of under steer. being FWD we get understeer so down sizing, IMO, really degrades the responsiveness of steering.
2013 Ford Focus BOOS[ST]ED
2010 Ford Focus "S"edan (11 Psi, GT28RS) - Sold
ROTM Nov '11 (2010 Focus S)