2001-2007 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500

321040 - FOR '01-'07 CHEVY 4" ALUM - "QT" DOWN PIPE
321040 – FOR 2001, 2002, 2003, 2004, 2005, 2006 & EARLY 2007 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 – 4″ ALUMINIZED – PERFORMANCE DIESEL EXHAUST – “QUIET TONE” RESONATED DOWNPIPE – ALSO AVAILABLE IN KITS K4113A, K4115A OR K5117A