Dbr Minarelli Am6 76 90cc Low Superfast BellyDBR AM6 Superfast Low 76 90cc is the ideal exhaust for those seeking maximum performance on 76cc and 90cc engines, designed to guarantee power and reliability in competitions and sport use. Made with high quality materials, this exhaust uses an ultralight titanium structure that ensures strength and lightness, while the internal design is optimized to promote gas flow and improve engine response on 76cc and 90cc AM6 engines. Supported Thermal Groups