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Vivid Racing Gear 
S300 Single Turbo Install Kit, for 2001-2004 Duramax LB7, Gloss Black
Details:
- Sold As Kit
- Finish Type Powder Coated
- Finish Color Gloss Black
Features:
- 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.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Wehrli Custom is an aftermarket company that was founded back in 2010 in Sandwich, Illinois. Starting in a two-car garage, they developed performance parts aimed towards various motorsport enthusiasts. With their experience around ATVs, dirt bikes, truck racing, and snowmobiles, they saw the opportunity to create parts that would help improve their ride without spending too much.
Today, the company grew to be one of the most recognizable brands in the motorsport industry and is sought after by racers and enthusiasts everywhere.
Quality Made ProductsThe company creates some of the best products and is known for its high-quality finishes. It is possible thanks to their powder coat shop that includes elevated temperature-resistant ceramic coatings and two curing ovens. They also have a CNC mill and lathes to help create those accurate and precise cuts.
With the best tools at its disposal, coupled with a team of dedicated enthusiasts, Wehrli Custom could cement its position as one of the leading brands in its segment.
Your High Performance Go ShoppingWehrli Custom specializes in high-performance diesel upgrades and custom metal fabrication. They offer a variety of parts and upgrades for various diesel engines such as Duramax, Powerstroke, & Cummins Diesel trucks.
They offer turbo kits and custom performance parts that are custom fabricated and made in the USA. It guarantees that you only get the best products every time,
Purchase Wehrli Custom At Vivid RacingIf you are in the market for high-quality performance parts for your vehicle, then Wehrli customs is the brand for you. To know more about them, visit Vivid Racing and check out their list of products that fit your specific needs.
| Sale price | None |
| Wholesale price | $3,106.60 |
| Shipping |
Weight: 60.00 Length: 36 Width: 24 Height: 12 |
| Product Added At | Monday 27 April, 2020 |
| Product Modified At | Friday 11 July, 2025 |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | No |
|---|---|
| Carb Number | - |
| Epa Status | Testing |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Premier WD |
Inventory Type: NonStocking |
$2,675.54 | $3,295.00 | $2,800.75 | $3,196.15 | ? | 2025-07-09 19:07:27 | |||
| Turn 14 | $2,632.71 | $3,295.00 | ? | $3,196.15 | ? | 2025-07-11 11:06:13 | ||||
| Turn 14 | $2,632.71 | $3,295.00 | ? | $3,196.15 | $150.00 | 2025-07-10 11:00:35 |
