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you're leaving serious performance on the table
Fit for specific cab and box configurations (4" Leaf Spring and Coil Spring trucks only
this conversion kit allows you to enjoy the benefits of a CP3 upgrade while protecting your engine from the dreaded CP4 failure
we attempt to maintain stock power levels
Expect a noticeable boost in horsepower and torque
GDP Cat & DPF Race Pipes (2011-2015 GM 2500/3500 6.6L Duramax) Size:4" you're leaving serious performance onBuilt to Last: Constructed from heavy duty 16 gauge 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 contour bent hangers and TorcTite clamps 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