There is no denying that a Harley-Davidson motorcycle has a unique sound, especially if the mufflers have been removed. The sound is part of the mystique. There is no denying that a Harley-Davidson motorcycle has a unique sound, A piston goes through the intake, compression, combustion and exhaust strokes. On February 1, , the company filed a sound trademark application for the distinctive sound of a Harley-Davidson motorcycle engine: “The.
assuming you mean sound - then no — not because of the sound, but because those riders who have replaced stock pipes with after market pipes did so for the . Electric Adjustable Exhaust | Distinguished Sound Performance | Made in Germany | Performance KessTech Adjustable Exhaust System on Harley Davidson. Harley-Davidson motorcycles have a distinctive design and exhaust note. In the company filed a sound trademark application.