Ultimate Racing PerformanceThe HB Subaru Impreza body was designed, tested, and proven on the race track. The HB design staff and team drivers testedextensively using several different body shapes and aerodynamic variations.
The result of our testing is the "Type A" configuration that outperformed the other versions interms of aggressive steering response and high corner speed. The HB Subaru Impreza Type A is optimized for use with front spool set-ups found on most highperformance touring cars. The result of our testing is the “Type B” configuration that outperformed the other versions interms of steering response and stability. The HB Subaru Impreza Type B is optimized for use with front spool set-ups found on most high performance touring cars.