01-04 GM Duramax Diamond Eye Downpipe - 321055

*** DOES NOT WORK ON CALIFORNIA EMISSIONS EQUIPPED TRUCKS*** 2001-04 GM 2500/3500 6.6L 3in Turbo direct pipe for LB7 Duramax. Trans dip stick mod. required 3" ALUMINIZED- PERFORMANCE DIESEL EXHAUST- TURBO DIRECT PIPE - WRAPPED WITH THERMAL HEADER TAPE TO HELP REDUCE EGT'S