2003-2009 Cummins Upper Coolant Pipe Two Stage Powder Coating Silver Artery WCFab

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S300 Single Turbo Install Kit, for 2001-2004 Duramax LB7, Fine Texture Black

  • Sold As Kit
  • Finish Type Powder Coated
  • Finish Color Fine Texture Black


  • Includes Driver Side Transmission Dipstick Tube which makes installation of the down pipe easier.
  • NOTE: Our down pipe is HX40 style flange connection at the turbo as this style offers the best seal, alignment, and easiest install. If you are not purchasing the turbo from us you will need to make sure your exhaust housing is machined to HX40 style outlet flange! Note picture above for HX40 flange vs full marmon standard style.
  • 4 Inch Intake with Dry Air Filter and Outerwear's Pre-Filter Cover
  • T4 Pedestal with Hardware
  • Stainless Steel Oil Feed and Drain Lines with Fittings
  • 3 Inch Fabricated High Flow Y-Bridge, Hot and Cold Side Intercooler Pipes
  • 3 Inch Down Pipe with High Temp Coating (Mates to exhaust system flange). Includes heat wrap and clamps.
  • Silicone Boots, T-Bolt Clamps, and V-Band Clamps
  • Modified Upper Coolant Pipe
  • Custom Single Stage Powder Coating

This kit will allow you to install an S300 based Turbo on your 2001-2004 LB7 Duramax. Replacing all of the OEM plumbing and y-bridge with high flow 3 Inch diameter piping. Oil Lines are high quality stainless steel braided Parker Lines with the oil feed line routing from the main oil galley on the side of the engine block. We designed our down pipe to connect with your exhaust system V-Band and clamp which simplifies installation and does not require you to cut your exhaust system. If you are not purchasing the turbo from us you must specify the brand of turbo you are using, some Turbo's you may be required to ship to use for mock up to build the kit. Each turbo kit is hand built in house by our experienced fabricators and welders. Every part is built and test fit on an engine to ensure proper fitment.