UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Exhaust System: Fits MT09 Tracer 2015, 2016, 2017, 2018, 2019, 2020 models Tracer 900 GT 2018, 2019, 2020 models XSR900 2016, 2017, 2018, 2019, 2020 models - Made from 304 grade stainless steel for maximum strength and durability. - Designed to improve the sound and performance of your bike increasing both horsepower and fuel economy. - 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 5.55kg compared to the original system at 7.15kg, saving over 1.5kg. - Pipework weight.