S4 B7 4.2 V8 2006 on
The Powervalve rear silencer set developed for the S4 V8 (B7) provides a spectacular uplift to the pre-existing dynamic V8 sound on the OEM exhaust, and due to the unique way in which we have designed the silencers combine with the variable flow provided by the Powervalve the experience is totally drone free.
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Audi S4 B7 4.2 V8 2004 -> 2008
£1,035.00
Ex Tax:£1,035.00
The Powervalve rear exhaust silencer set for the Audi S4 B7 provides you with a perfectly balanced sports tone both externally and internally above the stock exhaust..