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Oregon Exhaust & Muffler Laws (2026)

Info: Proper exhaust required; DEQ stationary-test cap of 88 dBA for post-1975 passenger cars (92 pre-1976) at 25 ft — Or.

InfoVerified Jun 19, 2026

Proper exhaust required; DEQ stationary-test cap of 88 dBA for post-1975 passenger cars (92 pre-1976) at 25 ft — Or. Rev. Stat. §815.250.

Official source: oregonlegislature.gov →

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