3-Inch Downpipe (07-10 6.6L Duramax Silverado 3500 HD)Find parts that fit my vehicle

Description. Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow. High Performance JDM Racing Design. TIG Welded CNC Machine Flange for Strength and Durability. Inlet/ Outlet Sizes: 3" OD / 3" OD. Piping Diameter: 3". Pre-Wrapped with Fiberglass Header Wrap to Insulate Heat from Engine Bay. Heavy Duty V-Band Flanges for Direct Bolt On Connection. Increase Engine Output and Efficiency. Gain 10 - 15 HPs. Direct Bolt-On Installation, Requires NO Modification.

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