Giannelli Street 2T exhausts for Aprilia RS 250 Born improve performance on 2 strokes street bikes, 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.