UK customers - please note this silencer is not road legal in the UK and will be marked Not for Road Use Twin Exhaust Silencer Kit (Silencers + Link Pipes) XJ400 XJ600 Diversion S N 1992-2003 UK Models XJ400 XJ600 Seca II 1992-1998 USA Australian Models. - Lighter exhaust system with improved gas flow. Made from 304 grade stainless steel, this will outlast the standard item. - Replaces the heavy OEM system. - Silencers are fitted with a removable baffle, instructions are included. - No modifications required, ie Re-mapping, Power commander. - These come with two link pipes and come with the centre stand stop in place, enabling you to keep your centre stand in place. - Silencer mounting straps, brackets and clamps are included. - Pipe Work Material : 304 Grade.