if you have never driven a car with a "upgraded" shifter then you would know what i am talking about. aftermarket shifters are very mechanical and have a much better feel going through the gate.
dont misunderstand me, the shifter is fine for daily use and even track use, but if you have ever...
hp/de's dont require speed shifting they require precise shifts so that you dont go from 5th to 2nd when you dont want too. and you cant always depend on the shift gates to get you there.