| Engine efficiency is enhanced even further by an intercooler and direct fuel injection. |
| Some of the subtle alterations include a tailpipe covered by the rear air dam as well as enlarged air intakes to provide more air for the intercooler. |
| The intake manifold is painted red and the enlarged aluminium intercooler emblazoned with STi lettering. |
| The new front-end module contains the carrier, radiator, electric fan and condenser for the car's air-conditioner, intercooler and air cleaner. |
| This high output is achieved by using a mechanically driven supercharger and an intercooler. |
| It now has a twin-cam 16 valve head and common rail direct injection is used, along with the usual turbocharger and intercooler. |
