UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Full Exhaust System Fits: Honda Monkey 125 2018 - 2024 - Full Exhaust System 230 mm Oval Stainless Steel Slip On Silencer with Narrow Tip. - Accepts the original Lambda sensors (O2 sensors) - no modifications required. - Lightweight system. - Fitting instructions are provided. - See kit photo for what's included. - Silencer is fitted with a removable baffle, instructions are supplied. - Downpipe/Link Pipe Material : 304 Grade Stainless Steel. - Silencer Material : 304 Grade Stainless Steel. - Silencer Length : 230 mm. - Silencer Code : 230SS / SN23V. - See our Silencer Specifications Tab for length noise levels. - 2 Year.