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looking to get one as a preventative measure, so was just wondering what people thought of them, and was it a self fit etc ?

Does anyone know of somewhere in the UK to purchase as APR in the USA are telling me to buy from Awsome GTI but the only thing awsome seems to be their prices, APR price $349 Awsome price £295 ! eeeek ! thats some markup !

Very pricey for what they are. No performance advantage. The quality is iffy too, kust look inside the pipe, it is rough unfinished metal - not impressive.

However, it is the one stop solution to the TBB problem, although in 50,000 miles of chipped S4 driving, mine only failed once.

Put a Samco replacement TBB on mine.

Got mine from APR in the UK - at a car show a few years back. I was lucky - IIRC I paid about £150. If APR no longer operate in the UK then I think you have little choice: Although you could order direct from the US, there is no doubt that you'd have to pay duty and so it'd be the same price either way.

I won't get into an argument with David (we have discussed this subject before), so please just accept my opinion as different from his.

I am very pleased with the bipipe. Although yes it does seem expensive, and yes it is unfinished, it gives total peace of mind. Unlike any TBB solution (including Samco), it is 'fit and forget'. As I'm sure you know, any air leak means that the turbos are stressed, and if you have a remap which can take the boost to 1.3-1.4 bar, that leak could damage the turbos. Whilst you can certainly keep checking the TBB, with the bipipe you don't have to. The TBB is clearly a weak point (the RS4 doesn't have one).

Yes it is self-fit, and APR provide an excellent booklet of instructions with photos. It is not a complex job, although actually fitting the bipipe to the TB can be an effort (due to the tight fit and lack of space) - both I and Joshie had the same difficulties.

Unless of course your bipipe has a hole in it...

http://forums.audiworld.com/s4/msgs/1252582.phtml

Unnecessary and expensive IMHO....