Tire chains
Tire chains cannot be used on your Impreza, WRX and STI because of the lack of clearance between the tires and vehicle body.
See also:
Overview
Subaru of America, Inc. announced that the all-new 2010 Subaru Legacy sedan
will debut at the 2009 New York International Auto Show, providing a bolder
design language in a larger midsize package. ...
Precautions against vehicle modification
To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SRS airbag ...
Models with SRS airbags and lap/shoulder restraints for driver, front passenger,
and window-side rear passengers
Your vehicle is equipped with a supplemental restraint system in addition to
a lap/shoulder belt at each front seating position and each rear window-side seating
position. The supplemental restrai ...