No, muffler deletes are illegal in Switzerland under the Road Traffic Act (SVG) and Ordinance on Technical Requirements for Road Vehicles (VTS). Modifying or removing a vehicle’s exhaust system violates noise and emissions standards enforced by the Federal Roads Office (FEDRO). Non-compliance risks fines up to CHF 10,000 and mandatory reinstatement of the original system.
Key Regulations for Muffler Deletes in Switzerland
- Noise Limits: Vehicles must comply with EU Stage 5 or Swiss-specific limits (max 74 dB for passenger cars). Deletes often exceed these thresholds, triggering inspections by cantonal authorities.
- Emissions Compliance: The VTS mandates adherence to EURO 6d standards. Removing catalytic converters or mufflers invalidates type approval, voiding insurance coverage.
- Type Approval Violations: Custom modifications require Einzelgenehmigung (individual approval) from FEDRO. Unauthorized deletes are classified as “major alterations,” subjecting vehicles to immediate registration revocation.
Recent 2026 amendments to the Environmental Protection Act tighten enforcement, empowering cantons to conduct random roadside checks. Imported vehicles with non-compliant exhausts face impoundment. Swiss courts have upheld these measures, citing public health and environmental protection under Article 74 of the Federal Constitution.