Description: 3.0 Inch Duramax 304 Stainless Steel Downpipe with an HX40 flange on one side and a 2001-2015 factory Duramax exhaust coupler on the other side. It can be used with most aftermarket turbos with a...More Details »
Description: Duramax HX40 Style 3.5 inch - 4 inch Downpipe upgrade. Requires driver side transmission dipstick tube.
Prop 65: Not For Sale in California Enigne Manufacturer: Duramax Sold As: Each...More Details »
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Wehrli Custom Fabrication Duramax S300 3 1/2" Down PipeNew