Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Quick View Ducati, Monster 659Ducati Monster 659 – 2018+ – Slipon Muffler $660 – $760 Aftermarket Slipon Muffler for Ducati Monster 659. Suits all years 2018+.Select options