After riding, trapped carbon particles will build up in your spark arrestor, so it will need cleaning for your bike to be performing as it should. A clogged up arrestor may result in a significant decrease in power because of exhaust flow blocking.

Is a spark arrestor necessary?

A properly maintained turbocharged engine does not need a spark arrester. Superchargers do not use the exhaust gas but are directly coupled to the engine. Engines equipped with superchargers require a spark arrester.

Does a spark arrestor reduce noise?

Yes, spark arrestor reduces noise in any equipment but the effect of sound that you can notice is negligible. ... However, in some cases, you may not notice any change because some spark arrestors can decrease only 1 dB or 2 dB sound range. Sparks are most common at welding and soldering the metals.