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 exhaust. To avoid ...

Fuel
NOTE The engine is designed to operate using unleaded gasoline. *1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 ...

2011 Subaru Impreza WRX STi By Steven Cole Smith
Lost in the flashier news of the resurgence of Ford, General Motors and Chrysler -- and the fast-rising profile of Hyundai and Kia -- is the story of Subaru, the small Japanese company which has l ...