RAM 2500 2021 Owner's Manual page 434

432 SERVICING AND MAINTENANCE
Tampering With Noise Control System
Prohibited
Federal law prohibits the following acts or the
causing thereof: (1) the removal or rendering
inoperative by any person, other than for
purposes of maintenance, repair, or
replacement, of any device or element of design
incorporated into any new vehicle for the
purpose of noise control prior to its sale or
delivery to the ultimate purchaser or while it is
in use, or (2) the use of the vehicle after such
device or element of design has been removed
or rendered inoperative by any person.
Among those acts presumed to constitute
tampering are the acts listed below.
AIR CLEANER
Removal of the air cleaner.

Removal of the air cleaner filter element from

the air cleaner housing.
Removal of the air ducting.

EXHAUST SYSTEM
Removal or rendering inoperative exhaust

system components including the muffler or
tailpipe.
ENGINE COOLING SYSTEM
Removal or rendering inoperative the fan

clutch.
Removal of the fan shroud.

Noise Emission Warranty
The manufacturer warrants that this vehicle as
manufactured by the manufacturer, was
designed, built and equipped to conform at the
time it left the manufacturer's control with all
applicable U.S. EPA Noise Control Regulations.
This warranty covers this vehicle as designed,
built and equipped by the manufacturer, and is
not limited to any particular part, component or
system of the vehicle manufactured by the
manufacturer. Defects in design, assembly or in
any part, component or system of the vehicle as
manufactured by the manufacturer, which, at
the time it left the manufacturer's control,
caused noise emissions to exceed Federal
standards, are covered by this warranty for the
life of the vehicle.