Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's G4X PlugIn Key Features (where

G4X PlugIn Key Features (where applicable):

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

The weight reduction also contributes to the improvement of exercise performance

Peak boost pressure data recall function

CAD-designed and flow-optimised for improved flow dynamics and outstanding performance

Fujitsubo A-RM Exhaust - Subaru Impreza STI/STI A-Line GRB/GRF ECU's G4X PlugIn Key Features (whereEstablished 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