Curious to know what benefits you see there being of the 2.5L over a EJ207 + twinscroll?

Also how does the built motor go in the regulations as I know there is a lot of crap between the AASA and CAMS run targa events. For instance, can you use STI heads, intercooler, turbo etc on a WRX?

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[COLOR="Gray"]550Nm off a 2L... Just wish it was in the dak dak...[/COLOR]