MOT cost .

MOT failure · RFR #40546

Exhaust system leaking or insecure

Total

429

Models

43

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.

  1. 01 Yamaha NS 2.64%
  2. 02 Sym Jet 2.08%
  3. 03 Kymco Agility 1.99%
  4. 04 Lexmoto Diablo 1.69%
  5. 05 Aprilia SR 1.68%
  6. 06 Yamaha Yq50 1.46%
  7. 07 Honda Cbr125r 1.30%
  8. 08 Ajs Modena 1.18%
  9. 09 Suzuki An400 1.15%
  10. 10 Aprilia Sr50 1.08%
  11. 11 Suzuki Gsx600 1.07%
  12. 12 Kawasaki Er5 1.06%
  13. 13 Yamaha Ybr125 0.98%
  14. 14 Yamaha Sr125 0.96%
  15. 15 Piaggio Zip 0.94%
  16. 16 Yamaha Ybr 125 Custom 0.89%
  17. 17 Piaggio Fly 0.89%
  18. 18 Kawasaki Gpz500s 0.85%
  19. 19 Yamaha Ybr 0.84%
  20. 20 Royal Alloy GT 125i 0.81%
  21. 21 Yamaha Virago 0.75%
  22. 22 Peugeot Tweet 0.68%
  23. 23 Honda Anf 0.66%
  24. 24 Suzuki Tl1000r 0.64%
  25. 25 Piaggio Unclassified 0.63%
  26. 26 Yamaha Xv1100 0.60%
  27. 27 Honda Cbf500 0.60%
  28. 28 Honda Cbr600f 0.57%
  29. 29 Honda Nt650v 0.55%
  30. 30 Honda Cb250 0.54%

Top 30 by rate. 13 more models also logged this defect.

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 exhaust system leaking or insecure fail an MOT?
Exhaust system leaking or insecure. Most commonly flagged on the Yamaha NS. The DVSA's 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 exhaust system leaking or insecure?
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 exhaust system leaking or insecure myself?
This repair typically needs workshop equipment — a lift and specialist tools. Most owners book a garage rather than attempt it at home.