WATCH: Porsche 911 GT3 RS parades around the ring in N/A flat-six glory - Carmag South Africa

This is what a 4,0-litre naturally-aspirated flat-six sounds like when using all of its 9 500 rev range in the hills of the Nürburgring. This is the undisguised Porsche 911 GT3 RS during some high performance testing.

This is what a 4,0-litre naturally-aspirated flat-six sounds like when using all of its 9 500 rev range in the hills of the Nürburgring. This is the undisguised Porsche 911 GT3 RS during some high pe… [+1385 chars]

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