These are the exemptions to Manila's 'anti-muffler' ordinance

Councilor Joel Villanueva clarifies that show cars, racecars, and big bikes are exempted from Manila City’s anti-muffler ordinance.

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Manila councilor clarifies 'Anti-muffler' ordinance - Motorcycle News

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These are the exemptions to Manila's 'anti-muffler' ordinance

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Manila City's 'Anti-Muffler' ordinance passed into law