Quiz - What's wrong with this picture???

[Fat Audi 80]

This one!

[Jas11n]

What in gods name is that? Your profile says you've not got cats???

[gavs20v]

looks like part of the cat has collapsed.
Gav

[s2avant95M]

that could restrict flow some what...

[Fat Audi 80]

Correct - The Cats when back on for the MOT at new year and have been on until today.

The strange thing is (not so strange now) is that I had noticed on a cold morning that one of the rear tailpipes emitted a lot more condensation cloud than the other. I also had a very "rattley" exhaust after the cats were refitted but that went away after a few weeks. I had also noticed that the car seemed slower at the top end and felt asthmatic to say the least.

Anyway, fortunatel whilst on my back today changing the cats back to bypass pipes in an effort to rejuvanate the performance again I noticed a big ceramic bung in one of the rear exhast pipe sections. As you can see from the picture the "bung" of old cat material has wedged itself just before the small bend and once liberated from the car was almost exactly the same size as the inside diameter was in fact the honeycomb turned sideways

Needless to say lots happy smiling faces once on my 60 mile test drive!!

cheers,

Steve

[audiman]

We often get cars in with low performance and find that as the cause. They break up due to quick cooling, ie driving thro deep water when roads are flooded.

[Chris5044]

been there done that lol

[Keeper of The Kitten]

I'm glad my Kitty is 1991 and permanently runs de-cat!

I was looking at the pipes when TK was on a lift on Friday, I know some of the guys have rearranged their systems from the split back - anyone who has done this got any feedback? I'd really like to do away with the awful up-and-over at the rear end, and the equally awful turn-right-turn-left muffling and exit behind the bumper...

__MDC__

[Graham]

The steam out of one tail pipe is strange as the system goes from 1 to 2 back to 1 again and goes over the rear driveshaft in one pipe. So it should come out of both evenly even with one blocked pipe in the twin section.

[audiman]

thats what i was thinking

[Fat Audi 80]

I will have to have another look but I am sure mine is twin all the way back, but I would not swear on it....

Will check later.....

[audiman]

Changing the subject, i might drive to your place soon to get my paintwork as spanking as yours. Give you a fiver??

[Fat Audi 80]

A fiver a minute? You're on!

[GandalfS6]

I wrote about a friend's unhappy RS2 a while ago.

http://www.s2forum.com/forum/showthr...ghlight=zenrs2

His car pulled well until 4500 rpm and then felt if it was being choked. I eventually got him to remove the cats - even got him to get a proper exhaust as well (76mm DP and 76 to the first box and then 63 to the back - he didn't want too much noise). All of a sudden the car runs like a RS2 should! If your car feels like it is running out of steam at high revs - check your cats!

Am I glad we live in South Africa where cats are not (yet) compulsory