Dan curves are ported wrx heads
Pat are semi ported jdm v7 heads
Pat1 is stock v7
pa1 is multi angle valve job?
pat2 is multi angle valve job+pnp
pat3 is pat2 with more pnp of heads
Heads ported at DPR racing in Torrance. Dan does fantastic work and is a very knowledgable person. He still needs to add the larger valves as well