The Impreza WRX STI spec C Type RA-R was the ‘ultimate road-going GDB’, in which the emphasis was on thorough improvements in driving performance. In the name RA-R, RA stands for ‘Record Attempt’, with an additional R signifying ‘radical’ or ‘racy’. This particular model was a limited edition with only 300 units produced. Based on the GDB WRX STI spec C, the shape and number of turbine blades in the large turbo with ball bearings was optimised, and the air duct hoses were given increased thermal resistance as well as being made straight. In addition to these modifications, a specially developed sport ECU was installed with the engine to dramatically boost top power and the car’s response in medium and high-speed ranges. All links around the suspension had pillow ball bushes, while reinforced stabilizers, dampers, and springs were introduced to drastically reduce the feel of rolls. Special Brembo callipers and discs were used for the brakes, and special aluminium wheels were fitted with 235/40R18 tyres. A front under skirt with skirt lip was added to strengthen the road-holding ability of the front wheels. Just 50 units in Astral Yellow were released as a special limited colour edition. This Impreza was made to be simply fast, safe, and a serious drive.