MBRP 3-Inch Turbo Downpipe for 2011-2015 Chevrolet Silverado / GMC Sierra 2500/3500 HD (6.6L) - Black

Fits 2011-2015 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L).

Maximize the performance and efficiency of your Duramax engine by replacing the restrictive factory downpipe with this MBRP 3-inch turbo downpipe. Engineered as a direct bolt-on replacement, this pipe significantly improves exhaust flow by 20% over stock components. This increased efficiency results in lower exhaust gas temperatures, better heat retention, and a deeper, more aggressive diesel tone. Dyno-tested results show gains of up to 21 horsepower and 24 lb/ft of torque.

• 3-inch diameter tubing for 20% greater flow over the OEM pipe
• Direct bolt-on replacement for factory mounting
• Measured gains of +21 HP and +24 lb/ft of torque
• Improved heat retention for better thermal efficiency
• Delivers a richer, more aggressive diesel sound
• Black finish

Note: Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Not for sale or use in the state of California.