Noway didn't know they had brought this in already,goin put me de-cat pipe on anyway and see what happens in October lol
Removing the catalytic converter creates less back pressure, increased flow of exhaust gasses allowing quicker turbo spool and potentialy better torque, some say even improved mpg.
I did it on my VW van and made quite a difference when combined with other mods, gives a bit of turbo whistle too