GM 4PC TP w/ Diffuser
AUTO-JET # GMTP749 #4
OEM # 25996749
Tailpipe for GM Chassis Thomas Body w/ Diffuser Rear Exit Right Side AUTO-JET # GMTP770 OEM # 150770
GM Van Tailpipe Diffuser
AUTO-JET # GMDIFF
OEM # 25996745
Diffuser, 2010+ Navistar Bus AUTO-JET # NAVDIFF3 OEM # 3881438C1
Thomas/Freightliner EFX, HDX, FS-65, C2 - 2002 and up
AUTO-JET # FRLDIFF
OEM # 04-24971-000, 04-24969-000