Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's This throttle body improves output

This throttle body improves output by increasing the flow area and increasing the amount of intake air by enlarging the butterfly diameter

and B18 B Series engines

Engineered through extensive testing on Japanese circuits and roads

Specification similar to genuine finish

Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's This throttle body improves outputEstablished in 1931, Fujitsubo have been manufacturing exhausts in Japan for many years, providing them with the sort of experience thats required to craft some of the best exhausts on the market. A JDM brand in the purest sense, the quality, fitment and performance of their systems is second to none. A RM is Fujitsubos latest generation of exhaust, a performance focussed system with an emphasis on saving weight, whilst looking good and sounding