dbr silent muffler exhaust piaggio gilera o27The DBR Silente Exhaust 27 is the high performance version of the Silente range, specifically designed for Vespa and Gilera mopeds equipped with oversized engine kits. This expansion offers superior gas flow optimization, ensuring high performance and a sporty yet strictly controlled sound. Thanks to the 27 mm manifold, the integrated silencer maintains a discreet acoustic profile without affecting power delivery at high revs. Main Features Integrated