BD 1043803 is the up-pipe BD Diesel catalogs for 2001-2004 Chevy Silverado 2500 HD 6.6L; 2001-2004 Chevy Silverado 3500 6.6L; 2001-2004 GMC Sierra 2500 HD 6.6L; 2001-2004 GMC Sierra 3500 6.6L.

What you get

• BD 1043803, the up-pipe for the application above

Specs

• Part number: BD 1043803
• Product type: UpPipes
• BD fitment list: 2001-2004 Chevy Silverado 2500 HD 6.6L; 2001-2004 Chevy Silverado 3500 6.6L; 2001-2004 GMC Sierra 2500 HD 6.6L; 2001-2004 GMC Sierra 3500 6.6L
• BD catalog tag: not for sale in California

Confirm the year, engine, and drivetrain before you install. A nearby BD number can look the same and not interchange.

BD tags this part number as not for sale in California. That is a catalog flag, not a CARB order number.