What Car Modifications Are Illegal in the UK? – A Detailed Guide
Posted on July 16, 2025 by Amanda Mills
UK vehicle law strictly governs any changes that affect safety, emissions or identification. Under the Road Vehicles (Construction and Use) Regulations and the Road Traffic Act 1988, it is an offence to alter a vehicle so that it no longer meets its original approvals. This raises the question: What car modifications are illegal in the […]