GDP Downpipe Back Exhaust - Single (2011-2015 GM 2500/3500 6.6L Duramax LML) dieselr_signature optimized transmission tuning ensures power

optimized transmission tuning ensures power is delivered efficiently and effectively

fully functional SOTF system

eliminating the factory EGR provision for a cleaner

OEM-grade coolant reroute hose

SKU: SM-001

GDP Downpipe Back Exhaust - Single (2011-2015 GM 2500/3500 6.6L Duramax LML) dieselr_signature optimized transmission tuning ensures powerBuilt 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