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The latest nascar news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks nascar across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Boyd Butler, a former Hercules Aerospace rocket scientist, founded Dr. Gas and built X-pipe exhaust systems for NASCAR. The X-pipe added 4.5 horsepower and 1 mph top speed, producing a louder, higher-pitched sound. Sterling Marlin won the 1995 Daytona 500 using it.
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