Pay in 4 interest-free payments of $72.50 Learn more
Ships within 48 hours · Estimated delivery Oct 8 - Oct 13
No additional power enhancements are supported
Our kits come in a raw finish
Manufactured in the USA (with select globally sourced components)
and stainless hardware to ensure the install looks as good as it performs
Harnesses for specific truck models are available separately
GDP Downpipe Back Exhaust - Single (2001-2007 GM 2500/3500 6.6L Duramax LB7/LLY/LBZ) Size:4" No additional power enhancements areBuilt 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
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