Discount Converter? 90B4 + 100C4 Cat replacements at a resonable price?

[Alexander van Gerbig]

    Anyone ever use Discount Converter for those pesky clogomatic catalytic
converters on the 90B4 and 100C4 models?  Discount converter lists them for
$317, Blau has OEM for $495, and list is over $1000.  I have two friends in
need of these cats, one 90B4 with two clogged cats and one 100C4 with horrid
rattling.  Anyone have another source?

TIA!

Alexander van Gerbig -- '88 80

The Audi  80 Pages-----------------
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North Ferrisburg, VT 05473