Nice gains on the APR B6 S4 Catback.
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Prety impresive for a n/a motor... Check out the price as well!<ul><li><a href="http://www.goapr.com/Audi/products/apr_exhaust_b6s4.html">http://www.goapr.com/Audi/products/apr_exhaust_b6s4.html</a</li></ul>
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anyone know of APR software for the b6 s4 in the area(Greenwich,CT) estimated cost as well?? Thanks.
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