Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's The weight reduction also contributes

The weight reduction also contributes to the improvement of exercise performance

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

G4X PlugIn Key Features (where applicable):

With Turbosmart

Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's The weight reduction also contributesEstablished 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