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Author Topic: M 90 modification  (Read 3060 times)

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Re: M 90 modification
« Reply #15 on: December 25, 2019, 02:12:15 am »
Great mods. I like the more sedate engine speed and sound. What are the threads used on the exhaust components?Are they metric?
PAUL
Civilization is the limitless multiplication of unnecessary necessities.