I have a Supersprint S4 stainless cat-back exhaust with the 90 mm Magnum tips on my A4 30V right now. It is a week old and I should get the Supersprint A4 exhaust (a little quieter on my non-turbo car) in about a month. I would like to sell the S4 system locally (Chicago area/midwest). It will be about 5 weeks old when I get the new system. E-mail me if interested.
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Aalok