Fits: 2013 - 2020 Fits: 2015 - 2020 In the diagrams, a Solid Line indicates that the connected items are required for initial fitment. Arrow Part Number - 71812MK Note - For correct initial fitment, this silencer is designed to connect to the ARROW Racing Non Catalyzed Collectors - Part# 71620MIWill not fit onto the O.E. exhaust headers / collector. The STREET THUNDER Silencer has the Diamond Oval profile in Carbon Fibre with a black finish.The silencer is supported by a stainless steel mounting clamp with a synthetic rubber insert. The End Cap is created in carbon fibre for a modern stylish finish. This ARROW Homologated silencer complies with ADR 83:00 Noise Standard (legal in all Australian States). Specifications for STREET THUNDER Silencer - 71812MK Features Details Silencer material Carbon Fibre Rear endcap material Carbon Fibre Silencer inner parts material stainless steel Silencer mounting Stainless Steel Clamp Silencer body length (mm) 270 Junction (inlet) diameter (mm) 54 Junction (outlet) diameter (mm) 50 dB Killer Yes Weight (Kg) 1.70