For: 2015 - UP For: 2019 - UP In the diagram, a Broken Line indicates that both connected items will connect together or will connect with the O.E. corresponding item at time of initial fitment. Arrow Part Number - 71628MI This ARROW Racing 4:2:1 Collector set eliminates the O.E. Exhaust Catalyst unit to enable performance gains and with an added benefit of weight & heat reduction. Made from INOX Stainless Steel [AISI 304 grade] for a durable light weight item. Note - This collector system is supplied with provision for the O.E. sensor mounting point. Note - For correct fitment, this race collector will connect to the range of ARROW performance Silencers designed for these models.Or alternatively, the O.E. silencer can be retained. Specifications for Collectors - 71628MI Features Details Collector System material Stainless steel Silencer mounting Welded mount Junction (outlet) diameter (mm) 51 Exhaust sensor provision Yes dB Killer No Weight (Kg) 4.34