Engine Performance
Hello everyone! I have a 21 wrx with the following mods:
Grimspeed: Inlet pipe,charge pipe, tmic, EBCS and catted j pipe (gesi)
COBB: big sf
Remark catback
IAG AOS
I recently got my car pro tuned to 20psi making about 302hp
Pro tuner installed Jpipe and EBCS before tune. Car drove great...