Veh. Code, § 27202.1

(a) Notwithstanding any other law, a person shall not park, use, or operate a motorcycle, registered in the State of California, that does not bear the required applicable federal Environmental Protection Agency exhaust system label pursuant to Subparts D (commencing with Section 205.150) and E (commencing with Section 205.164) of Part 205 of Title 40 of the Code of Federal Regulations. A violation of this section shall be considered a mechanical violation and a peace officer shall not stop a motorcycle solely on a suspicion of a violation of this section. A peace officer shall cite a violation of this section as a secondary infraction.

(b) A violation of this section is punishable as follows:

(1) For a first conviction, by a fine of not less than fifty dollars ($50), nor more than one hundred dollars ($100).

(2) For a second or subsequent conviction, by a fine of not less than one hundred dollars ($100), nor more than two hundred fifty dollars ($250).

(c) (1) The notice to appear issued or complaint filed for a violation of this section shall require that the person to whom the notice to appear is issued, or against whom the complaint is filed, produce proof of correction pursuant to Section 40150.

(2) Upon producing proof of correction to the satisfaction of the court, the court may dismiss the penalty imposed pursuant to subdivision (b) for a first violation of this section.

(d) (1) This section is applicable to a person operating a motorcycle that is manufactured on or after January 1, 2013, or a motorcycle with aftermarket exhaust system equipment that is manufactured on or after January 1, 2013.

(2) Penalties imposed pursuant to this section are in addition to penalties imposed pursuant to any other applicable laws or regulations.

(3) This section does not supersede, negate, or otherwise alter any other applicable laws or regulations.