MBRP Chev/GMC Duramax 6.6L3 Inch Turbo Down Pipe For 11-15 Silverado/Sierra 2500/3500 Duramax MBRP GM8427

Aluminized Steel 3 Inch Turbo Down Pipe Chev/GMC Duramax 6.6L,3 Inch Turbo Down Pipe Replace that restrictive factory downPipe with a MBRP direct replacement downPipe for more flow, fuel economy, and better performance.

2011-2015 Chev/GMC-6.6L Duramax 3 Inch Turbo Down Pipe - Greater Heat Retention - 20 percent Greater Flow Over Stock - Richer Diesel Sound - Will not Affect Emissions (DPF system or the Urea injection system) - Gains of +21 HP and +24 lb/ft Torque 2011-2015 Chevrolet/GMC Duramax 2500/3500 Will not work with a 3 bolt flange style connection Not to be sold in California

• Aluminized Steel
• 3 Inch Turbo Down Pipe
• Chev/GMC Duramax 6.6L
• Replace that restrictive factory downPipe
• more flow, fuel economy, and better performance
• 2011-2015 Chev/GMC-6.6L Duramax
• Greater Heat Retention
• 20 percent Greater Flow Over Stock
• Richer Diesel Sound
• Will not Affect Emissions (DPF system or the Urea injection system)
• Gains of +21 HP and +24 lb/ft Torque
• 2011-2015 Chevrolet/GMC Duramax 2500/3500
• Will not work with a 3 bolt flange style connection
• Not to be sold in California

• Download PDF

3 Year Warranty