Actually, you are wrong about that. That is a “street tunnel ram” and the difference between it and the standard tunnel ram is the depth of the top plenum. If you take the carbs off it will say “street tunnel ram” right on top of the plenum. And yes the STR12 is a completely different animal. I’ve got both and I can do a side by side comparison photo if you need one. Not trying to highjack the sale thread here but if you want pictures PM me. The “street” version like this is a lot harder to find.