Below is information direct from Germany regarding this product.
It may show additional information about fitment and specification.
Charge Pipe Kit Ø66mm (2,6 Inch) Audi S4 B9 and S5 F5
Kit comes with:
3 silicone hoses
1 aluminum charge pipe
6 hose clamps
1 M6x10 screw
This charge pipe kit only fits with our orig. WagnerTuning intercooler.