Section 38395 Of Article 5. Emission Control Equipment From California Vehicle Code >> Division 16.5. >> Chapter 6. >> Article 5.
38395
. This article shall not apply to an alteration, modification,
or modifying device, apparatus, or mechanism found by resolution of
the State Air Resources Board either:
(a) To not reduce the effectiveness of any required off-highway
motor vehicle pollution control device; or
(b) To result in emissions from any such modified or altered
off-highway vehicle which are at levels which comply with existing
state or federal standards for that model year of the vehicle being
modified or converted.