MOT failure · RFR #40548
An exhaust silencer marked ‘NOT FOR ROAD USE’, ‘TRACK USE ONLY’ or similar words
Total
19
Models
2
Models most at risk.
Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.
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Typical UK garage cost
£120–£280
for exhaust mid / tail-pipe section. Range covers regional rate spread + part-quality variance. This one needs a lift and a torque wrench — book a garage rather than self-fitting. Open the estimator →
Frequently asked.
- Why does an exhaust silencer marked ‘not for… fail an MOT?
- An exhaust silencer marked ‘NOT FOR ROAD USE’, ‘TRACK USE ONLY’ or similar words. Most commonly flagged on the Aprilia Tuono. UK MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
- How much does it cost to fix an exhaust silencer marked ‘not for…?
- Typical UK garage cost for exhaust mid / tail-pipe section is £120–£280. The range reflects regional labour rate differences and part-quality choices. Main dealer rates are usually 30–50% higher.
- Can I fix an exhaust silencer marked ‘not for… myself?
- This repair typically needs workshop equipment — a lift and specialist tools. Most owners book a garage rather than attempt it at home.
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