2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500
(ALL CAB AND BED LENGTHS)
K4163A - FOR '11-'15 CHEVY 4" ALUM - D.P.F. BACK DUAL
K4163A – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) 4″ ALUMINIZED – PERFORMANCE DIESEL EXHAUST KIT – DIESEL PARTICULATE FILTER BACK DUAL