Fits: 2020 - UP In the diagram, a Broken Line indicates that the connected items are optional for initial fitment. Arrow Part Number - 71727MI >Note -For correct initial fitment, this ARROW Racing Collector set (without Catalytic converter) is designed to either connect direct to an ARROW Thunder, X-Kone or Pro-Race Silencers # 71912 series or GP2 #71556 series designed for this model.Or atlernatively, the O.E. silencer can be retained. Made from INOX Stainless Steel [AISI 304 grade] for a durable light weight item that allows performance gains. Note - This collector system is supplied with provision for the O.E. sensor mounting point/s. Specifications for Collectors - 71727MI Features Details Collector System material Stainless steel Silencer mounting Welded mount Junction (outlet) diameter (mm) 62 Sensor plug provision Yes dB Killer No Weight (Kg) 4.35