2001-2004* CHEVY/GMC 6.6L LB7 DURAMAX DIESEL 2500/3500
321055 - FOR '01-'Early 04 CHEVY 3" ALUM - TURBO DIRECT PIPE
321055 – FOR 2001, 2002, 2003 & 2004.5 – CHEVY/GMC 6.6L LB7 DURAMAX DIESEL 2500/3500 – 3″ ALUMINIZED – PERFORMANCE DIESEL EXHAUST – TURBO DIRECT PIPE – CNC MACHINED PROFILE AND POCKETED FLANGE – WRAPPED WITH THERMAL HEADER TAPE TO HELP REDUCE EGT’S