（1PC） High Quality Motorcycle Db Killer Exhaust Muffler Adjustable Silencer 42mm 45mm 48mm Length=86mm 48mm

4.2 cm apply: 4.2 cm diameter exhaust pipe installation
4.5 cm apply: the exhaust pipe diameter 4.5 cm - 4.6 cm installation
4.8 cm Suitable for: exhaust pipe installation diameter 4.8 to 5.0 cm
(Round mouth of the exhaust pipe should not be installed long section muffler)

Note:
The car exhaust pipe can not install this product
Modified exhaust pipe, as long as the diameter of 4.2 or 4.8 cm can be easily installed!
This can be adjusted exhaust sound small, you can not adjust the sound large
Muffler sound just reduce, rather than adjusting the sound good

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