INSANE GT4 RS Nürburgring Hot Lap!
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Dallara's MASTERPIECE is the LIGHTEST way to #UNDER7 Nürburgring laps!
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Better Than Honda S2000? This 980kg | 220hp ND Revs to 8100rpm!
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Randy Pobst Pushes Porsche GT4 RS To The Limit : What Did We Learn?
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The ONLY V8 Viper to RACE & WIN Nürburgring 24h!
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PROBLEM FIXED! SSR Porsche GT4 RS: INSANE Improvement!
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Porsche GT4 RS Kicking It’s Bad Habits - Randy Pobst Suggested Mods
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Why do car people... love the Porsche 911?
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