Engine Pipe - See Below
XFRLM4 - Muffler^
XT400-10E
XFRLAX2 -With Spring Suspension
XFRLTR1
XFRLAX1 -With Air Suspension
XFRL1S6BT2 - Electronic Engine - 1998 & Up
XFRL1S6BT3 - OE# 04-21079-000, w/ World Trans.
XFRLAX2 -1998 & Up w/ Cummins ISB Electronic Ignition and Spring Suspension
XFRLM3C1^ - Optional Catalytic Muffler
Muffler - XFRLM3^
^Mufflers on This Page
More Axle Pipes/Muffler Description on Freightliner 2002 Page