Skip to main content
The Home Depot concept demo
Wehrli Custom Fabrication 2003-2007 5.9L Cummins S400/S300 Side by Side Compound (Twin) Turbo Kit - WCF100864

Turbocharger Kits

Wehrli Custom Fabrication 2003-2007 5.9L Cummins S400/S300 Side by Side Compound (Twin) Turbo Kit - WCF100864

From$2,957.53

Available10-15 Business Day Lead Time.

Step 2 · T6 Turbo Heat Blanket
Step 4 · S300 Turbo Charger
Step 5 · S300 Exhaust Housing
Step 6 · T4 Turbo Heat Blanket
Step 7 · Exhaust Manifold

Select your Color. Color samples can be seen on the "Powder Coat Colors" page of the main menu.

Step 9 · Stainless Exhaust Manifold Stud

Stainless Exhaust Manifold Stud Kit

Step 10 · T4 Exhaust Housing Finish
Step 11 · T6 Exhaust Housing Finish

Replaces the failure prone 3” plastic OEM intercooler pipe with a 3.5” heavy duty 14g Aluminum intercooler pipe

Step 13 · Grid Heater

This high flowing CNC machined billet aluminum plate allows maximum air flow from the intake horn into the cylinder head - increasing turbo spool up and performance.

Select your Color. Color samples can be seen on the "Powder Coat Colors" page of the main menu.

Select your Color. Color samples can be seen on the "Powder Coat Colors" page of the main menu.

Select your Color. Cover will be coated the same as Kit unless specified otherwise at checkout.

Your build$2,957.53
1

Still to choose: S400 T6 (Atmo) Turbocharger, T6 Turbo Heat Blanket, Model Year, S300 Turbo Charger, S300 Exhaust Housing, T4 Turbo Heat Blanket, Exhaust Manifold, Powder Coating, Stainless Exhaust Manifold Stud, T4 Exhaust Housing Finish, T6 Exhaust Housing Finish, High Flow Intake Horn & IC Pipe, Grid Heater, Powder Coat S400 Turbo Cover, Powder Coat S300 Turbo Cover, D&J Precision Billet Valve Cover

  • Fit checked against your vehicle
  • WeatherTech parts, priced and in one place
Description

S400/S300 Cummins Side by Side Style Custom Twin (Compound) Turbo Kit. 1000+ RWHP capable. Recommended for highly modified trucks with upgraded fuel systems, built engines and built transmissions seeking big HP numbers and maximum performance capability.

Recommended Combinations:

S364.5/S476 - 850+ RWHP with Supporting Modifications - for hot rod daily driver / tow rigs looking for big power and quick turbo spool up  

S366/S480 - 1000+ RWHP with Supporting Modifications - for hot rod daily driver / tow rigs looking for a 1,000 RWHP setup that still spools quickly

Still not enough? Check out our S400/S400 kits or give our specialists a call at 630-277-8239 for assistance custom building a setup that will work best for your needs.

If you own a mild/lightly modified truck and are seeking the benefits of a compound turbo setup for frequent medium to heavy towing and with no plans to upgrade the fuel system further, please check out our S400/Stock Twin (Compound) Turbo Kit options.

***Designed to be used with 2nd Gen Style Stainless Diesel or Steed Speed Exhaust Manifold in the high mount turbo position (angled T4 exhaust flange facing upwards). If you are not purchasing the turbos and manifold from us, you MUST specify the brand and model / part number of the turbos and manifold you want to use at checkout. Some brands and models may require that the parts be sent in to us for the kit to be built to ensure proper compatibility and fitment.

***NOTE: This kit is intended for use with OEM or OEM like intercoolers. It is NOT compatible with Banks Power Intercoolers as configured! If you already have or plan to run a Banks Intercooler, please contact one of our sales specialists by phone for assistance placing your order.

***NOTE: Requires relocation or removal of passenger side battery.

Specifications
Brand
Wehrli Custom Fabrication
Category
Turbocharger Kits
length (in)
36.0000
height (in)
12.0000
width (in)
24.0000