The PPE 117000424 3 Inch Stainless Steel Downpipe is the perfect upgrade for your LB7 Duramax 2002-2004. Engineered to outperform the competition, this downpipe is made of 304 stainless steel and features titanium woven heat-wrap for maximum durability and protection. With a 3" mandrel-bent design, this downpipe unleashes the true potential of your engine by allowing for increased airflow and better performance. Upgrade your ride today with the PPE117000424 3 Inch Stainless Steel Downpipe!