MBRP GM8427 Armor BLK 3-Inch Turbo Downpipe for 2011-2014 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; 4 in. Outlet Diameter Tip; Will Not Work With A 3" Bolt Flange Style Connection.

• Richer Diesel Tone. Increase Flow of 20% Over Stock, 21HP Gains and 24lb/ft Torque.
• 20 Percent Greater Flow Over Stock
• Will Not Affect Emissions
• Gains Of +21 Horsepower
• 24 lb./ft./ Torque Gain
• Greater Heat Retention
• Richer Diesel Sound

Upgrade the exhaust flow of your compatible 6.6L Duramax diesel with the MBRP GM8427 Armor BLK Turbocharger Downpipe. Designed as a direct replacement for the restrictive factory downpipe, this black-coated downpipe supports improved exhaust flow, enhanced heat retention, and a deeper diesel exhaust tone. The system features a 3-inch downpipe with a 4-inch outlet tip and is engineered for select 2011-2014 Chevrolet Silverado 2500 HD applications.

MBRP reports up to 20 percent greater flow over stock, with potential gains of 21 horsepower and 24 lb-ft of torque when used with compatible vehicle modifications. Its Armor BLK coating helps retain exhaust heat and provides added protection against corrosion and harsh underbody conditions. The downpipe is designed to improve performance without affecting emissions according to the supplied product information; however, this product is not CARB approved and is not for sale or use in California. Verify local emissions requirements before installation.

• Brand: MBRP
• Part Number: GM8427
• Application: 6.6L Duramax diesel
• Construction: Black-coated exhaust downpipe
• Downpipe Diameter: 3 inches
• Outlet Tip Diameter: 4 inches
• Flow Improvement: Up to 20 percent greater flow over stock
• Performance Potential: Up to 21 horsepower and 24 lb-ft of torque

What's Included: One MBRP GM8427 Armor BLK turbocharger downpipe with outlet tip. Installation hardware and supporting components should be confirmed before installation. This product will not work with a 3-inch bolt-flange-style connection.

Fitment: Fits select 2011-2014 Chevrolet Silverado 2500 HD trucks equipped with the 6.6L Duramax diesel engine. Confirm the vehicle configuration, exhaust connection style, and model-year application before ordering. Removal of OEM catalytic converters may violate emissions laws in your jurisdiction. This product is not CARB approved and is not intended for sale or use in California.

Features:

• Direct replacement turbocharger downpipe for compatible 6.6L Duramax diesel applications
• Supports up to 20 percent greater exhaust flow over the factory downpipe
• Potential gains of up to 21 horsepower and 24 lb-ft of torque
• Armor BLK black coating helps retain heat and protect against corrosion
• Produces a richer diesel exhaust tone
• Designed for select 2011-2014 Chevrolet Silverado 2500 HD trucks
• Uses a 3-inch downpipe with a 4-inch outlet tip
• Will not work with a 3-inch bolt-flange-style connection

Fitments:
2011 Chevrolet Silverado 2500 HD LT
2011 Chevrolet Silverado 2500 HD LTZ
2011 Chevrolet Silverado 2500 HD WT
2011 Chevrolet Silverado 3500 HD LT
2011 Chevrolet Silverado 3500 HD LTZ
2011 Chevrolet Silverado 3500 HD WT
2011 GMC Sierra 2500 HD Denali
2011 GMC Sierra 2500 HD SLE
2011 GMC Sierra 2500 HD SLT
2011 GMC Sierra 2500 HD WT
2011 GMC Sierra 3500 HD Denali
2011 GMC Sierra 3500 HD SLE
2011 GMC Sierra 3500 HD SLT
2011 GMC Sierra 3500 HD WT
2012 Chevrolet Silverado 2500 HD LT
2012 Chevrolet Silverado 2500 HD LTZ
2012 Chevrolet Silverado 2500 HD WT
2012 Chevrolet Silverado 3500 HD LT
2012 Chevrolet Silverado 3500 HD LTZ
2012 Chevrolet Silverado 3500 HD WT
2012 GMC Sierra 2500 HD Denali
2012 GMC Sierra 2500 HD SLE
2012 GMC Sierra 2500 HD SLT
2012 GMC Sierra 2500 HD WT
2012 GMC Sierra 3500 HD Denali
2012 GMC Sierra 3500 HD SLE
2012 GMC Sierra 3500 HD SLT
2012 GMC Sierra 3500 HD WT
2013 Chevrolet Silverado 2500 HD LT
2013 Chevrolet Silverado 2500 HD LTZ
2013 Chevrolet Silverado 2500 HD WT
2013 Chevrolet Silverado 3500 HD LT
2013 Chevrolet Silverado 3500 HD LTZ
2013 Chevrolet Silverado 3500 HD WT
2013 GMC Sierra 2500 HD Denali
2013 GMC Sierra 2500 HD SLE
2013 GMC Sierra 2500 HD SLT
2013 GMC Sierra 2500 HD WT
2013 GMC Sierra 3500 HD Denali
2013 GMC Sierra 3500 HD SLE
2013 GMC Sierra 3500 HD SLT
2013 GMC Sierra 3500 HD WT
2014 Chevrolet Silverado 2500 HD LT
2014 Chevrolet Silverado 2500 HD LTZ
2014 Chevrolet Silverado 2500 HD WT
2014 Chevrolet Silverado 3500 HD LT
2014 Chevrolet Silverado 3500 HD LTZ
2014 Chevrolet Silverado 3500 HD WT
2014 GMC Sierra 2500 HD Denali
2014 GMC Sierra 2500 HD SLE
2014 GMC Sierra 2500 HD SLT
2014 GMC Sierra 2500 HD WT
2014 GMC Sierra 3500 HD Denali
2014 GMC Sierra 3500 HD SLE
2014 GMC Sierra 3500 HD SLT
2014 GMC Sierra 3500 HD WT
2015 Chevrolet Silverado 2500 HD High Country
2015 Chevrolet Silverado 2500 HD LT
2015 Chevrolet Silverado 2500 HD LTZ
2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2015 Chevrolet Silverado 3500 HD LT
2015 Chevrolet Silverado 3500 HD LTZ
2015 Chevrolet Silverado 3500 HD WT
2015 GMC Sierra 2500 HD Base
2015 GMC Sierra 2500 HD Denali
2015 GMC Sierra 2500 HD SLE
2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 3500 HD Base
2015 GMC Sierra 3500 HD Denali
2015 GMC Sierra 3500 HD SLE
2015 GMC Sierra 3500 HD SLT

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