Downpipe Back Exhaust (2011-2016 GM 2500/3500 6.6L Duramax LML)

Built to Last:

• Constructed from heavy-duty T409 stainless steel for maximum durability.
• Mandrel-bent for a perfect fit and improved airflow.
• Improved flanges ensure a leak-free connection.

Effortless Installation:

• Includes clamps, pre-welded contour bent hangers, and strong flanges for a hassle-free installation.

Performance Gains:

• Expect increased horsepower, lower Exhaust Gas Temperatures (EGTs), and improved airflow.
• Unleash your truck's potential and let it breathe easier

Fitment:

• Fit for specific cab and box configurations (EC-CC/SB-LB-Dually) on 2011-2016 GM 2500/3500 6.6L Duramax LML.
• Important Note: Some 2015 models have a turbo direct pipe with a 3-bolt flange instead of a V-band clamp. Please make sure you select the correct option below.

• OEM Style V-Band Flange for a secure and familiar fit.
• No Bungs, allowing for customization based on your specific needs.

Important Disclaimer:

• This product requires aftermarket tuning and is intended for off-road competition use only.
• Installation on emission-controlled vehicles may violate regulations. Please check your local laws before installation.