See also:

P Metric
With the P-Metric system, Section Width is measured in millimeters. To convert millimeters into inches, divide by 25.4. The Aspect Ratio (Section Height divided by Section Width) helps provide more d ...

Air cleaner element
WARNING Do not operate the engine with the air cleaner element removed. The air cleaner element not only filters intake air but also stops flames if the engine backfires. If the air cleaner eleme ...

Ride & Handling
My first drive of the 2012 Impreza was on dry, warm pavement, where both the 16- and 17-inch alloy wheels lent a comfortable ride. (I didn't drive the base 15-inch steel wheels.) You're always awa ...