e46 M3 middle section exhaust pipe

[Sezam]

Hi all,

I'm looking for middle section exhaust pipe for e46 M3, as I marked on attached drawing.

The problem is that it comes with catalytic converters, which I don't really need, so don't really want to pay for them.

Any idea where I could try to find just the pipes I need? Without the catalytic converters, or perhaps with faulty ones?

Will be grateful for any ideas...

Adrian