K4156S

2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 K4156A - FOR '11-'15 CHEVY 4" ALUM - D.P.F. BACK SINGLE K4156A – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) 4″ ALUMINIZED...

K4163S

2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) K4163S - FOR '11-'15 CHEVY 4" STAINLESS - D.P.F. BACK DUAL K4163S – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED...

K4163A

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...

K4156A-TD

2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 K4156A-TD - FOR '11-'15 CHEVY 4" ALUM - D.P.F. BACK TURN DOWN K4156A-TD – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) 4″...

K4156S-TD

2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 K4156S-TD - FOR '11-'15 CHEVY 4" STAINLESS - D.P.F. BACK TURN DOWN K4156S-TD – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)...