Wanted Evo 8 Recaro Seat Insert

AS ABOVE THE RUBBER BIT THAT GOES THROUGH THE HOLES IN THE FRONT SEATS WHERE THE HARNESS'S SHOULD GO THROUGH,
MITSUBISHI SAY YOU HAVE TO BUY THE WHOLE SEAT???
IN THE UNLIKELY AVENT THAT ANYBODY HAS ON SPARE PLEASE EMAIL [email protected] CHEERS SHANE.