UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road UseExhaust System Fits: Yamaha MT-07 2021, 2022, 2023, 2024 models XSR 700 2021, 2022, 2023, 2024 models Made from 304 grade stainless steel for maximum strength and durability. Designed to improve your motorcycle. Accepts your original lambda (02) sensor keeping your bikes engine management system, so no changes or modifications are required to your bike. No fault codes will appear when you install our system. Weighs in at a lightweight 3.85kg compared to the original system at 7.15kg. Pipework weight = 2.30 kg Silencer weight = 1.55 kg Silencer body length = 200mm Silencer Diameter = 100mm Silencer Material: 3K Weave Carbon Fibre + Stainless Blue Tip .