Highest flowing sbm heads?

Actually most of the new Gen stuff( Mustang, Camaro , Challenger) put up big MPH numbers for the given ET
not uncommon to see 12 sec 120+ mph passes at the track, and 130 mph 11 sec passes.
I spend a ton of time at the track, see it all the time.
the heavier, newer cars really charge at the big end, really impressive for given ET….very often
I'm also sure you notice when your at the tracks that when the modern hot rod class comes up it becomes bathroom break and hit the concession stand time:p:rofl: