Originally posted by SpamMansXe
So i was going to be getting another ej22t to replace mine...but there are all these sales going on for STi shortblocks. Is there anything else needed to do that swap. With the ej22t it was a direct swap and all that was needed to change was the shortblock and i cuold run with everything else from the original ej25. Thanks for any help!
if u use wrx pipes ull need
possibly a wrx exhaust
yes the heads will work i recommend new springs+retainers <stronger, not just new>
wrx WP+thermostat cap <not sure if u can get away w/ just the thermostat cap>
a wrx wagon front sway <not sure if u need the endlinks for that or for your 99>