Akrapovic Ducati DesertX 22-24, Monster 21-24 Optional Link Pipe (Stainless Steel) - L-D9SO1Constructed from high grade stainless steel, this newly developed link pipe replaces the stock pre muffler, where the stock catalytic converter is located, leading to a more direct gas flow, aimed at increasing performance. Providing a huge weight reduction of 79. 2% (3. 8 kg) over the original link pipe, this option also increases power by 3. 2 kW (4. 4 hp) at 8,600 rpm and improves torque by 5. 6 Nm at 4,600 rpm when fitted to a Slip On Line