Originally Posted by 5-7HEAVEN
I have twin Mitsubishi 43cc 2.2hp engines on "The DragonLady". The front one has its flame resistor removed, the rear has an ADA expansion pipe.
Both are relatively quiet; the rear engine is much quieter at all speeds.
When I turn the front engine off, I can barely hear the rear engine idling.
Flame resistor? Sounds like fun with a can of hair spray!