These 304 stainless steel up pipes feature 11-gauge 0.120-inch wall thickness and 2-inch OD tubing for the 2001–2016 6.6L Duramax diesel engine. Constructed with a free-flowing stainless steel inner liner bellows, these upgraded stainless steel up pipes restore exhaust flow, reduce leaks, and improve reliability during towing and high-heat diesel operation. They serve as a direct bolt-on replacement to factory manifolds for quick and easy installation, with gaskets included.

Fitment

• 2001–2004 Chevrolet GMC LB7 6.6L Duramax Diesel
• 2004–2006 Chevrolet GMC LLY 6.6L Duramax Diesel
• 2006–2007 Chevrolet GMC LBZ 6.6L Duramax Diesel
• 2007.5–2010 Chevrolet GMC LMM 6.6L Duramax Diesel
• 2011–2016 Chevrolet GMC LML 6.6L Duramax Diesel

Product Details

• Material: 304 Stainless Steel
• Wall Thickness: 11-gauge 0.120-inch wall
• Pipe Diameter: 2-inch OD
• Construction: Free-flowing stainless steel inner liner bellows designed for high-temperature exhaust conditions
• Design: Passenger side pipe has a purposely indented design to ensure proper clearance from the firewall
• Performance Benefits: Improves turbine response speed and contributes to lower exhaust temperatures for more efficient vehicle operation
• Package Includes: 2 pipes, 4 gaskets, 12 bolts, and 12 nuts

Installation

Direct bolt-on replacement to factory manifolds for quick and easy installation. Kit includes OEM length left and right pipes, stainless gaskets, and 12 12.9 bolts and washers for complete installation. Professional installation is recommended.

Check local emissions regulations before purchase. Professional installation is recommended.

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