K4110S

2001-2005 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 K4110S - FOR '01-'05 CHEVY 4" STAINLESS - CAT BACK SINGLE K4110S – FOR 2001, 2002, 2003, 2004 & 2005 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) – 4″...

K4110A

2001-2005 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 K4110A - FOR '01-'05 CHEVY 4" ALUMINIZED - CAT BACK SINGLE K4110A – FOR 2001, 2002, 2003, 2004 & 2005 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) – 4″...