YouTube on MSN
Testing a modified 900HP Audi RS6 on a race track
The 900HP Audi RS6 V10 showcases extreme performance as it tackles the Nürburgring with a heavily modified twin-turbo setup.
YouTube on MSN
Audi TT-RS acceleration with loud exhaust sound
This video features an Audi TT-RS which has been tuned to 580HP with a Stage 2 ECU remap from Power Performance and it got a ...
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