I've just gotten use to the the noise.
I don't want to try reducing the noise levels by obstructing the air intake or the exhaust.
That will reduce the efficiency or damage the unit.
If there was a way to reduce the noise efficiently the design engineers who built the thing would have.
Do you...
I think I have an explanation now.
The tyres were way over inflated.
I bought my own pressure gauge and I discovered that the gauges at my local garage were not working correctly. Their gauges were 1 bar too low during measurement. My tyres were inflated to 3.2 bars!!
Some of their gauges are...