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engineered for the 2017-2023 Duramax L5P
more power to the ground
GDP 4" Downpipe
improved shift points
the GDP Downpipe is built to withstand the toughest conditions while offering a clean
GDP Downpipe Back Exhaust - Single (2016-2019 Nissan Titan Cummins 5.0L) Size:5" engineered for the 2017-2023 DuramaxBuilt 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 breeze of an installation. Performance Gains: Expect increased horsepower, lower Exhaust Gas Temperatures (EGTs), and improved airflow. Unleash your truck's potential and let