Description
Upgrade your 2011–2016 GM 6.6L LML Duramax with the ATLAS 5" Aluminized Steel DPF-Back Exhaust System by aFe. Engineered for maximum performance, durability, and precision fit, this exhaust system combines high-flow design with OE-quality construction for noticeable horsepower and torque gains while maintaining a hassle-free installation experience.
Key Features
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High-Flow 5" Mandrel-Bent Tubing: Smooth bends reduce turbulence, increase airflow, and optimize exhaust gas flow, helping to improve engine performance and lower EGTs.
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Aluminized Steel Construction: Durable and corrosion-resistant material ensures long-lasting performance.
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OE-Style Bayonet Hangers: Maintain secure and stable pipe placement under high vibration and heat conditions.
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High-Quality Clamps and Flanges: Band clamps and OE-style flanges create a 360-degree leak-free seal for reliable operation.
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Quick and Easy Installation: Uses all factory mounting locations for a direct-fit, no-drill installation.
Fitment Note
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Does not fit 2016 3500HD models equipped with NOX sensor.
Vehicle Applications
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Chevrolet Silverado 2500 HD (2011–2016) – Diesel V8-6.6L LML Duramax
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Chevrolet Silverado 3500 HD (2011–2016) – Diesel V8-6.6L LML Duramax
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GMC Sierra 2500 HD (2011–2016) – Diesel V8-6.6L LML Duramax
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GMC Sierra 3500 HD (2011–2016) – Diesel V8-6.6L LML Duramax
Performance and Benefits
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Increases horsepower and torque with smoother exhaust flow
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Reduces exhaust backpressure and EGTs
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Direct-fit design preserves factory exhaust routing and alignment
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Durable aluminized steel withstands heat and corrosion for long-lasting reliability
Emissions Disclaimer
This product does not require a CARB EO# and is legal for use in all 50 states.
