Excalibre Technologies Ltd - Commercial vehicle exhaust specialists. Supply, installation and maintenance of retrofit systems for CAZ & NRMM. DPF cleaning for all bus and truck makes. Refurbishment of Euro 6 exhaust systems. Retrofit exhaust specialists for NRMM, truck and bus, DPF cleaning providers and technology experts in exhaust aftertreatment solutions. Operating in the UK with Sales and Service locations in Gloucestershire, Essex and Manchester. Excalibre provides a fast , reliable and efficient service.