Excalibre Technologies provide a wide range of services and products including DPF cleaning, retrofit SCR systems, aftermarket silencers and catalytic converters. With over 20 years experience we pride ourselves on fantastic market knowledge and excellent customer service; making us a strong partner for bus, truck, lorry and commercial fleet operators as well as independents.

We work in partnership with Proventia to provide certified retrofit systems to all major London bus operators for Euro 6 ULEZ compliance, with over 1,000 completed so far. We also provide systems for Clean Air Zones supplied under the CVRAS scheme.