How to improve sound on your monkey bike- and control it. This muffler adds sound to your bike. But it does that in a clever way. The big pipe on the side of your monkey is more than just eye candy: it improves sound characteristics. The Cal Sound Muffler has a neat gimmick that differentiates it from any other muffler or standard Monkey bike. With this feature you decide how much decibels your bike will generate: the Easy Sound Control system. You can now change the sound volume of your bike, the easy way! Easy Sound Control You can adjust the sound to the level you are comfortable with, by simply turning a nut. Simple and ingenious at the same time. Just by turning this nut, you regulate the sound outlet of your muffler, and ultimately, control the decibels produced. The cal sound muffler consists of a - High-grade stainless steel exhaust pipe (35.1 mm diameter) - Stainless steel tail (60.5 mm diameter) - An short oval Aluminium silencer The produced sound volume is between 84.5 - 89.5 Db (50cc) If you want adjustable sound for your monkey bike, then this is it!
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