Exhaust systems and roadworthiness inspection in France

What the vehicle inspection checks

During the inspection, the exhaust is checked on several points: mounting and sealing, presence of the emissions control components, compliance of the installed system and, depending on the case, noise level. A non-compliant system or a missing emissions control part can cause the vehicle to fail inspection.

ECE homologation

An ECE-homologated system has been approved for noise and compliance. It carries a homologation marking, which is what allows it to be fitted to a road vehicle without any issue. A non-homologated system is reserved for motorsport use, even if it is of high quality.

What passes

• A homologated system, with its marking, correctly installed and leak-free.
• A system that retains the original catalytic converter and particulate filter.
• A vehicle whose noise level stays within regulatory limits.

What fails

• A decat pipe: removing the catalytic converter is not compliant on a vehicle driven on public roads.
• A removed or gutted DPF: this is prohibited on public roads and treated as a defect.
• A non-homologated system or one whose noise level exceeds the limit.
• A system that leaks or is poorly secured.

How to choose your exhaust system

If the car is driven on the road, start with a part number listed as homologated. For models equipped with a particulate filter, check that the system retains it. Inspection rules change over time: if in doubt, the inspection center has the final say.

View homologated exhaust systems

Browse Hubshop's homologated exhaust systems category. To check exact compatibility with your vehicle, use your VIN.

Legal notice: removing or modifying the catalytic converter, particulate filter or sensors of a road vehicle is prohibited. Non-homologated parts are reserved for motorsport use, on closed circuits or off public roads.