Modified return?

[Michael Beard]

Originally Posted by Billy Nees

You mean like in Stock? Never work. The only way something like this can be kept under control would be to restrict the size of the throttle body and restrict the outlet size of the collector.

Funny, I was discussing that with some circle track racers at Indy... some series have restricted the exhaust, but didn't sound like anyone's limited both the intake *and* the exhaust together.