Exedy Stage 1/Stage 2 replacement clutch cover for 2004–2014 Subaru Impreza WRX and STI models (fits 15803HD) provides a 3,597 lb clamp load intended to work with EXEDY cerametallic clutch discs. EXEDY notes their cerametallic friction material handles higher abuse levels and that Stage 2 discs include sprung center dampers to reduce drivetrain shock. This cover is offered as a direct replacement for the listed applications.
Exedy 04-14 Subaru Impreza WRX/STI Stage 1/Stage 2 Replacement Clutch Cover (Fits 15803HD)