UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Exhaust System Fits : Kawasaki Z-650 2017 - 2022 model - Replaces the original system. Baffle / DB killer is removable. - Louder with improved gas flow. - No modifications required. - Accepts original lambda sensor (O2 sensor). - Silencer mounting strap, clamp and included. - Header/Down pipe Material : 304 grade polished stainless steel. - Silencer Material : 304 Grade Black Painted Stainless Steel - Body Length excluding tips = 230mm - Silencer Code: BN23V - See our Silencer Specifications Tab for length noise levels. - Two year Black Widow warranty.