how abt...
i hav heard alot about the, milltek system n hav heard em on a rs4 and s6...n believe me...they both sounded bang on...
as for me...i have got a price for a cat bak around the 550 mark 4 my b5...so its time to get gatherin the pennys...lol
why not go onto you tube...n serach for " audi a4 exhaust" u should get a gd list of diff exhaust n all sound gd....ur choice m8..
do let us no which 1 u go for...
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