See also:

Catalytic converter
Turbo models Non-turbo models The catalytic converter is installed in the exhaust system. It serves as a catalyst to reduce HC, CO and NOx in exhaust gases, thus providing cleaner exha ...

Wheel balance
Each wheel was correctly balanced when your vehicle was new, but the wheels will become unbalanced as the tires become worn during use. Wheel imbalance causes the steering wheel to vibrate slightl ...

Exterior
To the outside observer, little distinguishes the Impreza's various trim levels. The base side mirrors are black-colored and fold, and the door handles are body-colored. Fifteen-inch steel wheels ...