Expensive bloody things aren't they. Just looking at those pictures, and what you appear to be getting, I'd have guessed these things would be priced at around $150. Well, now I know I'll never be putting K-04's on my car ever. Holy begeezus this tuning lark ain't cheap is it.

^{_D.D._[an Englishman living near Ingolstadt, Germany]_}
My Car History | My A6 0-155mph/Autobahn on Youtube