2015.5-2016 GM 6.6L Duramax LML 3" Performance Turbo Downpipe

Constructed from high-quality stainless steel for enhanced heat retention and superior durability under extreme engine bay temperatures.

Features a 3-inch turbo downpipe design that delivers a 20% increase in exhaust flow compared to the restrictive factory setup.

Performance-proven gains: Experience an increase of approximately 21 HP and 24 lb-ft of torque.

Engineered to improve overall engine performance and fuel economy while providing a deeper, richer diesel exhaust note.

Emissions-compliant: Designed to maintain the integrity of your factory emissions system, including the DPF and Urea injection systems.

Precision-engineered for a perfect fit, providing a seamless upgrade to your exhaust flow architecture.

Fits: 2015.5-2016 Chevrolet Silverado / GMC Sierra 2500HD / 3500HD trucks equipped with the 6.6L LML Duramax turbo diesel engine.

Note: Only compatible with 3-bolt flange style connections.