dbr minarelli am6 91 100cc low superfast bellyDBR AM6 Superfast Low 91 100cc is the ideal exhaust for those seeking maximum performance on small displacement engines, offering a high quality racing solution for enthusiasts and professionals. Made with state of the art materials, this exhaust stands out for its ultralight titanium construction that ensures strength and lightness. The design is optimized for 91cc and 100cc engines, ensuring improved gas flow and responsive performance at all RPMs.