dbr am6 superfast high titanium 70 85cc o28The DBR AM6 Superfast High Titanium Expansion 70 85cc 28 is the ideal racing exhaust for Minarelli AM6 engines, designed to deliver maximum power, lightness, and durability without compromise. Made entirely from Japanese Titanium, this muffler ensures a significant weight reduction and superior heat dissipation compared to traditional exhausts. The 28 diameter is engineered to optimize exhaust gas flow on 70cc85cc engines, improving acceleration,