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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Better Response: Increases transmission response for quicker shifts and better control
and stainless hardware to ensure the install looks as good as it performs
Lower EGTs
The GDP hot side intercooler tube increases performance and flow up to 40% over stock
Enhanced Power
GDP Downpipe Back Exhaust - Single (2001-2007 GM 2500/3500 6.6L Duramax LB7/LLY/LBZ) Size:4" Better Response: Increases transmission responseBuilt 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
