Versions of See prior versions of a law on LawServer 2023 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty 2022 Washington Code 79A.60.130 – Muffler or underwater exhaust system required–Exemptions–Enforcement–Penalty 2020 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty 2019 Washington Code 79A.60.130 2018 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty 2016 Washington Code 79A.60.130 – Muffler or underwater exhaust system required–Exemptions–Enforcement–Penalty 2015 Washington Code 79A.60.130 – Muffler or underwater exhaust system required–Exemptions–Enforcement–Penalty 2014 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty 2013 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty 2009 Washington Code 79A.60.130 – Muffler or underwater exhaust system required — Exemptions — Enforcement — Penalty
