dbr am6 superfast high titanium 50cc o25 original thermal groupThe DBR AM6 Superfast High Titanium 50cc 25 expansion is the ideal solution for Minarelli AM6 engines with the original thermal group. Entirely handmade, it leverages the properties of Japanese Titanium to offer lightness, responsiveness, and superior durability compared to traditional exhausts. Unlike standard mufflers, the titanium structure ensures a quicker response to exhaust gases and more efficient heat dissipation, improving power delivery