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 ...

All new gearbox and Boxer engine
UK versions of the Subaru Impreza will be powered by an all new 4-cylinder 1.6 litre Boxer petrol engine and will be available with either a new five-speed manual transmission or Subaru's Lineartr ...

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government t ...