Unlocking the Secrets of Acoustic Supercharging: The Evolution of Two-Stroke Expansion Chambers 🏍️

Kevin Cameron starts from the beginning of two-stroke exhaust expansion chamber development in the 1950s to the present. What were its origins and how did it explode power output in these simple, lightweight engines? How did we go from 8-hp single-cylinder commuters to 200-hp 500cc Grand Prix four-cylinders? Kevin knows, and Editor-in-Chief Mark Hoyer rides along with him. <br /><br />Looking to buy? Get prequalified<br />https://octane.co/flex/1?a=171<br /><br />Subscribe to Cycle World Youtube: http://www.youtube.com/c/cycleworld?sub_confirmation=1<br />Listen on Spotify: https://open.spotify.com/show/6CLI74xvMBFLDOC1tQaCOQ<br />Read more from Cycle World: https://www.cycleworld.com/<br />Buy Cycle World Merch: https://teespring.com/stores/cycleworld