Cool, learn something new every day! So it's an 11-14 lb wheel, and there's not much, short of a Volk or SSR that'll be lighter....
For example...using a Talon for more wheel choices:
O.Z. Superleggera
Finish: Bright Silver Paint
Bolt Pattern: 5-114
17x7 $280 each
** Lightweight: 15.9lbs. **
Shuk WR1
Finish: Bright Satin w/Polished Lip
Bolt Pattern: 5-114
17x7.5 $229 each
** Lightweight: 18.5lbs. **
SSR Competition
Finish: Anthracite w/Mach Lip
Bolt Pattern: 5-114
17x7.5 $389 each
** Lightweight: 13.6lbs. **
SSR GT1
Finish: Bright Silver Paint
Bolt Pattern: 5-114
17x7.5 $299 each
** Lightweight: 17.5lbs. **