Manila City's 'Anti-Muffler' ordinance passed into law
Manila Anti-loud Muffler Ordinance is Final, Signed Into Law - UNBOX PH
Code of Ordinances Office of the Sangguniang Panlungsod of Davao City
Manila City to ban loud mufflers with Ordinance no. 8145
Manila City's 'Anti-Muffler' ordinance passed into law
New Manila Ordinance: Loud Exhausts in vehicles now Illegal
New Manila Ordinance: Loud Exhausts in vehicles now Illegal
Motoring News 2021: New Makati City underpass, Bulacan road
Ordinance prohibiting loud exhausts in Manila passed into law
City Council approves reduced fines for motorcycle mufflers
Manila LGU clarifies rule on removal of loud mufflers - Auto News
Motoring News 2021: New Kapitolyo intersection, FPJ Avenue
Philippines, In Cebu City: Owners of loud vehicles face bigger fine, jail time - Geonoise Instruments
