LS1 miata from S.E.Drift event

[Big Baller]

First that Davids car I think and its an LS6....second its not a drift car its just at a drift event.

[Atlblkz06]

First that Davids car I think and its an LS6....second its not a drift car its just at a drift event.

How do you tell? I know the LS6 heads flow better and they're "flat" on the bottom but how can you tell by looking at a motor that's installed?

Does the throttle body look diff?

Thanks.