MBRP mbrpGM8425 Armor BLK 3-Inch Turbocharger Downpipe for 2001–2004 Chevrolet Silverado 2500 HD 6.6L Duramax

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California. Armor BLK Turbocharger Down Pipe; 3 in.; Black Coated; Not For Use w/3 Bolt Flange Style Connection; Fits Early 2004 Models. Not For Sale In California.

• Direct Replacement, Bolt-on Installation. Mandrel Bent Tubing for Improved Flow. Lower Exhaust Gas Temperatures.
• Jig Manufactured To Ensure Accuracy
• Lower Exhaust Gas Temperatures
• Gain Extra Power

Upgrade the exhaust flow of your early-model Chevrolet Silverado 2500 HD 6.6L Duramax with the MBRP mbrpGM8425 Armor BLK Turbocharger Downpipe. Designed as a direct replacement for the restrictive factory downpipe, this 3-inch downpipe supports improved exhaust flow, lower exhaust gas temperatures, enhanced fuel economy potential, and additional power. Its mandrel-bent tubing helps maintain a smooth internal path for efficient exhaust evacuation.

The MBRP mbrpGM8425 is manufactured using precision jigs to ensure fitment accuracy and is designed for bolt-on installation. The black-coated Armor BLK finish provides added protection for the downpipe in demanding under-vehicle environments. This application fits 2001–2004 Chevrolet Silverado 2500 HD models equipped with the 6.6L Duramax, including early 2004 models. It is not compatible with a 3-bolt flange-style connection.

Verify vehicle configuration and connection style before installation. Removal of OEM catalytic converters may violate emissions regulations in your jurisdiction. This product is not CARB approved and is not for sale or use in California. Confirm that its intended use is permitted by applicable federal, state, and local laws before purchasing or installing.

What's Included: One MBRP Armor BLK 3-inch turbocharger downpipe for the specified application.

Fitment: 2001–2004 Chevrolet Silverado 2500 HD with 6.6L Duramax, including early 2004 models.

Key Product Specifications & Technical Data: Brand: MBRP; Part Number: mbrpGM8425; Product Type: Turbocharger downpipe; Series: Armor BLK; Tube Size: 3 inches; Installation: Direct replacement, bolt-on; Construction: Mandrel-bent tubing; Connection: Not for 3-bolt flange-style applications.

Features:

• Direct replacement design supports bolt-on installation for the specified Chevrolet Silverado 2500 HD 6.6L Duramax application.
• Mandrel-bent 3-inch tubing promotes smoother exhaust flow and helps reduce restriction.
• Precision jig manufacturing helps ensure consistent fitment and alignment during installation.
• Black-coated Armor BLK finish provides added protection for the downpipe in demanding underbody conditions.

Fitments:
2001 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 GMC Sierra 2500 HD Base
2002 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2003 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLT
2004 Chevrolet Silverado 2500 HD Base
2004 Chevrolet Silverado 2500 HD LS
2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2004 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2004 GMC Sierra 2500 HD Base
2004 GMC Sierra 2500 HD SLE
2004 GMC Sierra 2500 HD SLT
2004 GMC Sierra 2500 HD WT
2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1