Originally Posted by boxsey911

As far as I'm aware it was standard on all UK supplied 964s but Gary could be right that the first owner could spec it without one. After all Porsche are famous for their 'delete' options.

I'm sure all these new MOT regs are going to be seen as a PITA by most testers. They could spend more time checking databases than they do checking the cars so most will carry on as normal! Of course.....there will always be one jobsworth tester that will cause problems that you want to avoid!

Originally Posted by Brideyo

is this what i want steve?
http://www.ebay.co.uk/itm/DE-CAT-PIP...item564e4b048a

Originally Posted by boxsey911

No. That is the straight one. Although it works well and many people have them and got through MOTs so far, it is very obvious that it is a bypass...and as said earlier an MOT tester *could* get all shirty and say they are going to fail the car because it obviously has a bypass.

The type that looks like a cat but is actually a bypass (it's empty) is this one:

http://www.design911.co.uk/fu/prod55...e-964-C2---C4/

I have one of these on mine and it's great.