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feeding your engine with more oxygen and unlocking greater power potential
the GDP Downpipe is built to withstand the toughest conditions while offering a clean
Expect increased horsepower
Improved flanges ensure a leak-free connection
GDP Turbo Back Exhaust - Single (2016-2021 GM 2.8L Duramax) Size:3" feeding your engine with moreBuilt 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: With included clamps and pre welded contour bends. TorcTite clamps provide a secure and rattle free connection. Performance Gains: Expect increased horsepower, lower Exhaust Gas Temperatures (EGTs), and improved airflow. Unleash your truck's
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