Wehrli

Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black - WCF100702-GB

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SKU:
WCFWCF100702-GB
UPC:
WCF100702-GB
MPN:
WCF100702-GB
Availability:
Regularly stocked product
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MSRP: $649.00
$629.53
— You save $19.47
Current Stock: 5

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Description

Will this Cold Air Intake fit my truck?
Confirm fitment with your vehicle using our detailed application guide to ensure optimal integration with your truck's specific configuration.

How difficult is the installation of this Cold Air Intake?
Achieve immediate performance gains with this bolt-on Cold Air Intake system, designed for straightforward installation and maximum airflow efficiency.

The Wehrli WCF Intake Kit is engineered for enhanced engine performance, scoring a 9 for Street Performance and Engine Performance. Its large diameter four-inch piping with smooth aerodynamic bends and durable aluminum construction ensures maximum airflow efficiency. Experience significant horsepower gains and a robust, heat-resistant intake system for sustained peak performance.

What Owners Say

Owners and enthusiasts consistently praise Wehrli fabrication quality, with multiple diesel truck owners expressing they "love the absolute sh!t out of" their Wehrli piping and components. When paired with quality cold air intakes from brands like S&B, users report huge improvements in throttle response, noticeable power gains, and better fuel economy. The intake horn and boost tubes specifically receive strong recommendations as effective bolt-on upgrades that deliver measurable performance benefits. While some discussion exists around whether tuning is necessary after intake modifications to optimize air/fuel ratios, the consensus remains clear: Wehrli components earn their reputation through solid construction and real-world performance improvements that diesel enthusiasts notice immediately.

Key Features

  • 4 High flow, fabricated aluminum intake pipe
  • air box enclosure with dry filter assembly
  • Aluminum construction
  • large diameter 4 piping with smooth aerodynamic bends
  • hood Ram Air duct and inner fender
  • Seal for Connection to Functional Ram Air Port

Why Choose the WCF Intake Kit

Delivers a surge of cooler, denser air for immediate throttle response.

Achieves maximum airflow efficiency, unlocking hidden horsepower potential.

Provides a robust, heat-resistant intake system for sustained peak performance.

Transforms your truck's intake sound into an aggressive, performance-driven growl.

Who Is This For?

Street Performance — 9/10
Large diameter piping and smooth bends enhance airflow.

Engine Performance — 9/10
Designed for maximum airflow efficiency and horsepower gains.

Easy DIY Install — 8/10
Bolt-on installation type simplifies the process.

Visual Aesthetic Upgrade — 7/10
Fabricated aluminum pipe and air box offer premium look.

Heavy Towing — 7/10
Improved airflow can benefit engine under load.

Drag Racing — 8/10
Maximum airflow efficiency supports performance gains.

Frequently Asked Questions

Will the Wehrli WCF Intake Kit fit my 2021 Chevrolet Silverado 3500 HD?

Confirming fitment is straightforward for this intake kit. It is designed to precisely fit 2020-2025 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD models. This ensures a secure and proper installation for your truck.

How difficult is it to install the Wehrli WCF Intake Kit?

Installation is a simple bolt-on process. The kit leverages a bolt-on install type, designed for straightforward integration with your existing setup. This user-friendly design allows for a hassle-free upgrade experience.

What performance gains can I expect from the Wehrli WCF Intake Kit?

Achieve significant horsepower gains with this intake. Its design scores a 9 out of 10 for Engine Performance, utilizing large diameter piping and smooth bends for maximum airflow efficiency. Experience a noticeable surge in power.

What are the primary materials used in the Wehrli WCF Intake Kit?

This intake system features robust aluminum construction. The high flow, fabricated aluminum intake pipe and air box enclosure provide a durable and heat-resistant solution. This premium material ensures sustained peak performance and longevity.

Additional Resources

Official Wehrli Product Page

Installation Guide (PDF)

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
2021-2025ChevroletSilverado 2500 HDCustom
2020-2025ChevroletSilverado 2500 HDHigh Country
2020-2025ChevroletSilverado 2500 HDLT
2020-2025ChevroletSilverado 2500 HDLTZ
2020-2025ChevroletSilverado 2500 HDWT
2024-2025ChevroletSilverado 2500 HDZR2
2020-2025ChevroletSilverado 3500 HDHigh Country
2020-2025ChevroletSilverado 3500 HDLT
2020-2025ChevroletSilverado 3500 HDLTZ
2020-2025ChevroletSilverado 3500 HDWT
2020-2025GMCSierra 2500 HDAT4
2024-2025GMCSierra 2500 HDAT4X
2020-2021GMCSierra 2500 HDBase
2020-2025GMCSierra 2500 HDDenali
2024-2025GMCSierra 2500 HDDenali Ultimate
2022-2025GMCSierra 2500 HDPro
2020-2025GMCSierra 2500 HDSLE
2020-2025GMCSierra 2500 HDSLT
2020-2025GMCSierra 3500 HDAT4
2020-2021GMCSierra 3500 HDBase
2020-2025GMCSierra 3500 HDDenali
2024-2025GMCSierra 3500 HDDenali Ultimate
2022-2025GMCSierra 3500 HDPro
2020-2025GMCSierra 3500 HDSLE
2020-2025GMCSierra 3500 HDSLT
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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
WCF100702-GB
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Intake Systems>Cold Air Intakes
Install Type:
Bolt-On
Product Level:
Premium Performance
Street Performance:
9/10
Engine Performance:
9/10
Easy DIY Install:
8/10
Visual Aesthetic Upgrade:
7/10
Heavy Towing:
7/10
Drag Racing:
8/10
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