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DIVISION 12. EQUIPMENT OF VEHICLES 24000-28160›CHAPTER 5. Other Equipment 27000-28160›ARTICLE 2. Exhaust Systems 27150-27159

§ 27150

California Vehicle Code · 2018-11 edition · updated 2026-10-04 · California

(a) Every motor vehicle subject to registration shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise, and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.

(b) Except as provided in Division 16.5 (commencing with Section 38000) with respect to off-highway motor vehicles subject to identification, every passenger vehicle operated off the highways shall at all times be equipped with an adequate muffler in constant operation and properly maintained so as to meet the requirements of Article 2.5 (commencing with Section 27200), and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device.

(c) The provisions of subdivision (b) shall not be applicable to passenger vehicles being operated off the highways in an organized racing or competitive event conducted under the auspices of a recognized sanctioning body or by permit issued by the local governmental authority having jurisdiction.

(Amended by Stats. 1977, Ch. 558.)

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California Vehicle Code

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