yeah funny you say that, *when i went on motorway other day i too tryed to put foot down and it went slower even started to judder the more i put my foot down ,
and it topped out at 60mph?
oh and yeah it did sound like a plane when i put my foot down sounded like a load roar, yet the car dident want to go any faster.
i thought the cat only sorted ou emisions, and dident think you would lose loads of power, and dont know what causes these break down.
strange really as since i have bought the car 2 months ago i have never thought it was as quick as my old mk3 xr3i,s i had, i thought maybe i was just imagining it but now i think its because the cat was on its way out, as it never really blew till i took it on a 100 mile run last week.
maybe this is why its always been slow.