Let's not confuse the guy too much O.K. The GT-40 irons are fine for a mild set-up. A Crane 2031 with 1.7RR's should easily pass emissions with those heads. The AFR's are emissions legal in the sense that they have thermactor capability which the Performer RPM's don't. The small AFR's (165 CC) should pass with the right cam and with cat H-pipe (of course), but they're an expensive choice even in a group purchase. I just bought a set so I should know. heh,heh,heh
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