Highlights from Pebble Beach Concours d'Elegance: Top Cars and Surprising Wins
The article explores the unique exhaust system of the 1924 Hispano-Suiza H6C Nieuport-Astra Torpedo that won Best of Show at Pebble Beach, revealing it as an early vacuum muffler made by Steigboy, designed to reduce noise and pressure pulses using innovative volume and geometry techniques from the 1920s, fitting the car's vintage and aviation-inspired design.