SC-Project S1 Exhaust Description The SC-Project S1 muffler is the ideal blend of lightness and performance, designed to elevate your Aprilia RSV4. With its sleek conical shape and refined lines, the S1 exudes an aggressive aesthetic inspired by WSBK racing. Crafted from a Titanium body and featuring a Carbon end cap, this silencer incorporates high-temperature resistant sound-absorbing materials. Enhanced by precise T.I.G. welding and CNC-machined titanium bushings, the S1 guarantees durability and performance. Specifications: Weight Savings: -2.3 kg (Stock: 3.6 kg / SC: 1.3 kg) Power Gain: +4.5 hp @ 13,800 rpm Torque Increase: +1.9 Nm @ 11,500 rpm Experience a powerful, distinctive sound that makes your motorcycle truly unique with the SC-Project S1 exhaust.