Products Showing Parts for — {{ }}

No Results Showing Parts for — {{ }}
USD 377.33 377.33 425.83
Part #:

Wehrli Custom Fab WCF100367 3.5" Cold Side Intercooler Pipe

Vehicle Fitment:
2006-2010 GM 6.6L Duramax LBZ/LMM | See full application list below
Part #:
FROM 377.33
Buy now, pay later using Affirm Logo during checkout.
Ships directly from the manufacturer

An Email Will Be Sent With Expected Shipping Date After Purchase

Ground Delivery by ,
If you order within hr min
This product cannot be shipped to your destination
Not Shipping to ?
Need it faster?
Our Recommendations Compatible Products
Scroll to View More


The Wehrli Custom Fab WCF100367 3.5" Cold Side Intercooler Pipe from XDP replaces the failure prone factory plastic piece on your 2006-2010 GM 6.6L Duramax LBZ/LMM with a larger, 3.5” high flow, 14-gauge aluminum fabricated pipe. This improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. The WCFAB Pipe uses CNC machined flanges with double O-ring seals and comes supplied with a new wire clip rings for both slip flanges. In addition, it incorporates an upgraded silicone hump boot with stainless steel t-bolt clamps to withstand higher boost pressures than the factory components. This helps increase reliability and eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard working and high-performance applications.

Pipe is compatible with stock trucks requiring no additional modifications, upgrades, or tuning for installation. Installs easily with basic hand tools and is finished in your choice of custom powder-coat colors to add some extra style under the hood of your Silverado/Sierra HD.

  • Mandrel-Bent Tubing
  • 3.5” Cold Side Intercooler Pipe
  • Flows 47% Better Than Stock
  • 14-Gauge Aluminum Construction
  • Stainless Steel T-Bolt Clamps Included
  • No Tuning Required, Complete Bolt-On
  • High Quality Hd Silicone 3.5 In. Double Hump Boot
  • New Wire Clip Rings For Both Slip Flange Connections
  • Available Wide Selection Of Durable Custom Powder-Coat Finishes
  • Works On Stock Trucks - No Additional Modifications Or Upgrades Needed
  • CNC Machined Flange With Double O-Rings Provides An Improved Sealing Surface To Eliminate Boost Leaks.
  • Made In USA

2006-2010 Chevrolet Silverado 2500HD (6.6 Duramax LBZ/LMM)
2006-2010 Chevrolet Silverado 3500HD (6.6 Duramax LBZ/LMM)
2006-2010 GMC Sierra 2500HD (6.6 Duramax LBZ/LMM)
2006-2010 GMC Sierra 3500HD (6.6 Duramax LBZ/LMM)
Shipping Restrictions Apply shipping restriction icon

Vehicle Fitment

2006 Chevy 6.6L LLY/LBZ Duramax
2007 Chevy 6.6L LLY/LBZ Duramax
2007.5 Chevy 6.6L LMM Duramax
2008 Chevy 6.6L LMM Duramax
2009 Chevy 6.6L LMM Duramax
2010 Chevy 6.6L LMM Duramax
2006 GMC 6.6L LLY/LBZ Duramax
2007 GMC 6.6L LLY/LBZ Duramax
2007.5 GMC 6.6L LMM Duramax
2008 GMC 6.6L LMM Duramax
2009 GMC 6.6L LMM Duramax
2010 GMC 6.6L LMM Duramax

Product Options

WCF100367-BB Bengal Blue
WCF100367-BC Bronze Chrome
WCF100367-BR Bengal Red
WCF100367-CB Candy Blue
WCF100367-CP Candy Purple
WCF100367-CR Candy Red
WCF100367-CT Candy Teal
WCF100367-FB Flat Black
WCF100367-FTB Fine Texture Black
WCF100367-GB Gloss Black
WCF100367-GRY WCFab Grey
WCF100367-GW Gloss White
WCF100367-IP Illusion Purple
WCF100367-RED WCFab Red
WCF100367-SGB Semi-Gloss Black


  • ID 129676
  • Manufacturer Name Wehrli Custom Fab
  • Shipping Weight 6.00 lb.
  • Shipping Length 20 in.
  • Shipping Width 8 in.
  • Shipping Height 8 in.
  • Fuel Type Diesel
  • E-Code 4
  • Warranty Info 1 Year
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Cross Reference # 15102148
  • Internal LR


No Reviews Yet!

Write a Review

Include Your Order Number For a Chance to Win a $100 Gift card

Overall Rating

Your Information

Email Address will not be made public.

Questions and Answers

No questions about this product. Be the first to ask a question!

Ask a question about this product

Please allow up to 1 business day for reply.

More to Consider

Recently Viewed


Complete the job with these highly suggested add-on products.

Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.