Wehrli

Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss White - WCF100344-GW

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SKU:
WCFWCF100344-GW
UPC:
WCF100344-GW
MPN:
WCF100344-GW
Availability:
Regularly stocked product
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MSRP: $625.00
$606.25
— You save $18.75
Current Stock: 2

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Description

Will this cold air intake kit fit my 2017 Duramax?
This Wehrli intake kit is engineered to fit 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models.

How difficult is it to install this cold air intake?
Installation is straightforward with this bolt-on cold air intake kit, designed for a smooth and efficient upgrade.

The Wehrli Intake Kit maximizes airflow for your 2017-2019 Silverado or Sierra HD, boasting a top engine performance score of 9. Featuring a fabricated aluminum intake pipe and a 4 inch diameter, it delivers a noticeable surge in power and throttle response. Experience superior engine protection and consistent clean air intake in all conditions.

What Owners Say

Owners and enthusiasts consistently praise Wehrli piping and intake components for their exceptional build quality, with multiple users expressing they "love the absolute sh!t out of it." The WCF intake kit paired with complementary upgrades delivers noticeable improvements in throttle response, power, and fuel economy. Diesel truck owners appreciate the solid construction and precise fitment that justifies the premium price over budget alternatives. While some mention that significant performance gains may require tuning to fully optimize airflow changes, the immediate benefits are still evident. Wehrli Fabrication has earned a strong reputation among the Duramax community as a trusted choice for serious enthusiasts seeking reliable performance upgrades.

Key Features

  • high flow
  • fabricated aluminum intake pipe and air box enclosure
  • dry filter assembly
  • 4 inch piping
  • smooth aerodynamic bends
  • hydrophobic pre-filter cover

Why Choose the WCF Intake Kit

Delivers maximum airflow for a noticeable surge in power and throttle response.

Achieves superior engine protection with a durable, custom-fabricated aluminum construction.

Provides consistent, clean air intake in all weather conditions with a hydrophobic pre-filter.

Transforms your driving experience with a smoother, more aggressive engine sound.

Who Is This For?

Street Performance — 8/10
High flow, smooth bends, aluminum pipe enhance airflow.

Engine Performance — 9/10
Maximum airflow claim, high flow, 4 inch piping.

Easy DIY Install — 7/10
Bolt-on install type, fabricated parts simplify installation.

Visual Aesthetic Upgrade — 6/10
Fabricated aluminum intake pipe and air box enclosure.

Drag Racing — 7/10
Maximum airflow for power surge, high flow.

Track Autocross — 7/10
Maximum airflow for power surge, high flow.

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
2017-2019ChevroletSilverado 2500 HDHigh Country
2017-2019ChevroletSilverado 2500 HDLT
2017-2019ChevroletSilverado 2500 HDLTZ
2017-2019ChevroletSilverado 2500 HDWT
2017-2019ChevroletSilverado 3500 HDHigh Country
2017-2019ChevroletSilverado 3500 HDLT
2017-2019ChevroletSilverado 3500 HDLTZ
2017-2019ChevroletSilverado 3500 HDWT
2017-2019GMCSierra 2500 HDBase
2017-2019GMCSierra 2500 HDDenali
2017-2019GMCSierra 2500 HDSLE
2017-2019GMCSierra 2500 HDSLT
2017-2019GMCSierra 3500 HDBase
2017-2019GMCSierra 3500 HDDenali
2017-2019GMCSierra 3500 HDSLE
2017-2019GMCSierra 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:
WCF100344-GW
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Intake Systems>Cold Air Intakes
Install Type:
Bolt-On
Product Level:
Premium Performance
Street Performance:
8/10
Engine Performance:
9/10
Easy DIY Install:
7/10
Visual Aesthetic Upgrade:
6/10
Drag Racing:
7/10
Track Autocross:
7/10
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