Should I Upgrade My RS6 to 520HP?

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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mbmccall
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Joined: Sun Feb 08, 2004 4:03 pm

Should I Upgrade My RS6 to 520HP?

Post by mbmccall » Sun Feb 08, 2004 4:29 pm

Who has experience with the rs6 chip upgrade? What issues have anyone had with these chips? Does anyone have any caveats about my upgrading my engine? Many thanks.

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