Originally Posted by eg33GC
Wrx were tdo5. Sti were z4 too. Check your facts
Originally Posted by i_c_the_light
WRX (wagon) Td04.
Z4 definitely is WRX stamped though. STi were SB or SA.
My previous Version II STi was stamped SB.
Every JDM WRX that I have taken an ECU out of is Z4 stamped.