MOT failure · RFR #40663
Exhaust noise levels in excess of those permitted
Total
338
Models
40
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.
- 01 Ktm RC 1.67%
- 02 Yamaha NS 1.62%
- 03 Yamaha WR 125 X 1.45%
- 04 Yamaha Yzf 1.01%
- 05 Yamaha Virago 0.94%
- 06 Yamaha Yzf R125 Abs 0.90%
- 07 Yamaha Xv535 0.87%
- 08 Yamaha Xv750 0.86%
- 09 Kawasaki Gpz500s 0.64%
- 10 Honda Vt750 0.52%
- 11 Harley Davidson XL 0.52%
- 12 Suzuki Vz800 0.52%
- 13 Kawasaki Vn800 0.49%
- 14 Yamaha MT 07 Abs 0.48%
- 15 Triumph Scrambler 0.46%
- 16 Kawasaki EN 0.41%
- 17 Suzuki Gsxr750 0.40%
- 18 Honda Msx 0.39%
- 19 Yamaha Xvs1100 0.38%
- 20 Yamaha MT 09 Abs 0.37%
- 21 Harley Davidson Xlh 883 0.37%
- 22 Suzuki Vl800 0.36%
- 23 Kawasaki ZR 900 Cjfb 0.35%
- 24 Kawasaki ZR 0.35%
- 25 Ktm 790 Duke 18 0.34%
- 26 Honda Cbr 0.34%
- 27 Yamaha MT 0.33%
- 28 Ktm 1290 0.32%
- 29 Triumph Street Triple RS 0.32%
- 30 Harley Davidson Fxsb 0.32%
Top 30 by rate. 10 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 noise levels in excess of… fail an MOT?
- Exhaust noise levels in excess of those permitted. Most commonly flagged on the Ktm RC. 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 noise levels in excess of…?
- 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 noise levels in excess of… myself?
- This repair typically needs workshop equipment — a lift and specialist tools. Most owners book a garage rather than attempt it at home.