Full Exhaust Derbi GPR 50 Giannelli Approved (2004 to 2009)

The Street 2T Giannelli is a line of exhaust and silencers for motorcycle Derbi GPR 50 Nude-Racing 2T (2004 to 2009) born to improve performance on 2 strokes street bikes, exhausts are made with a muffler and a silencer. Muffler is made with several sections, manually coupled, welded and checked to ensure a good torque increase from lower rpm. Muffler is treated with transparent paint, to protect and enlight these features. Depending on model, silencer is available in kevlar, carbon fibre or aluminium. With exhausts homologated to EU standards, the homologation certificate is issued to be attached to the vehicle registration document.