Section 38370 Of Article 4. Equipment From California Vehicle Code >> Division 16.5. >> Chapter 6. >> Article 4.

. (a) The Department of Motor Vehicles shall not identify any new off-highway motor vehicle, which is subject to identification and which produces a maximum noise level that exceeds the following noise limit, at a distance of 50 feet from the centerline of travel, under test procedures established by the Department of the California Highway Patrol.