SC PROJECT S1 EXHAUST The S1 muffler represents for SC-Project the perfect combination of lightness and performance without compromise. Its conical shape with taut and essential lines make the S1 silencer fascinating giving outburst to Your Aprilia RSV4. Born from the experience of the racing department on the circuits of the WSBK Championship, the silencer has a Titanium body with Carbon end cap with a special sound-absorbing material that resists high temperatures. To make it unique and unmistakable our Technicians have used the best production processes: brackets and fittings welded with T.I.G. technology, the insert bushings in titanium made in CNC and lasered Logo. From the high and powerful sound the S1 silencer will make the Sound of Your Moto unique. Weight -2,3 Kg (Stock 3,6 Kg / SC 1,3 Kg) Power +4,5 hp @13800 rpm Torque +1,9 Nm @11500 rpm