Wehrli

Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Grey - WCF100775-GRY

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SKU:
WCFWCF100775-GRY
UPC:
WCF100775-GRY
MPN:
WCF100775-GRY
Availability:
Regularly stocked product
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MSRP: $294.00
$285.18
— You save $8.82
Current Stock: 3

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Description

Will this intake horn fit my 2023 Silverado 2500?
This Wehrli intake horn is engineered to fit 2017-2025 Chevrolet Silverado 2500 HD and 3500 HD trucks.

How does this intake horn improve performance?
Replacing the restrictive OEM plastic turbo mouthpiece allows for significantly improved airflow, enhancing throttle response and engine efficiency.

The Wehrli Intake Horn is an essential upgrade for 2017-2025 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks, directly addressing the restrictive OEM plastic turbo mouthpiece for superior airflow. Constructed from high-flow cast aluminum with a billet aluminum PCV port and custom powder coating, this bolt-on component ensures a robust and visually appealing enhancement for your engine's breathing capabilities.

Key Features

  • 4 in. High Flow Cast Aluminum Turbo Intake Horn
  • Replaces the restrictive OEM plastic turbo mouthpiece
  • Includes billet aluminum port for PCV system connection
  • Custom powder coated
  • All aluminum construction
  • Replaces the 12678756 turbo inlet in the following GM Part Numbers: 19432816 and 12682569

Why Choose the WCF Intake Horn

Delivers unrestricted airflow for a noticeable boost in throttle response.

Transforms your engine's breathing for improved power delivery and efficiency.

Provides a robust and reliable connection for your PCV system.

Achieves a sleek, custom look under your hood with durable coating.

Who Is This For?

Street Performance — 7/10
Enhanced airflow replaces restrictive OEM part.

Heavy Towing — 6/10
Improved airflow can aid engine under load.

Engine Performance — 7/10
High flow intake horn improves air delivery.

Visual Aesthetic Upgrade — 5/10
Custom powder coating offers visual enhancement.

Easy DIY Install — 8/10
Bolt-on installation type is straightforward.

Vehicle Compatibility

YearMakeModelSubmodel
2017–2025ChevroletSilverado 2500 HDHigh Country
2017–2025ChevroletSilverado 2500 HDLT
2017–2025ChevroletSilverado 2500 HDLTZ
2017–2025ChevroletSilverado 2500 HDWT
2021–2025ChevroletSilverado 2500 HDCustom
2024–2025ChevroletSilverado 2500 HDZR2
2017–2025ChevroletSilverado 3500 HDHigh Country
2017–2025ChevroletSilverado 3500 HDLT
2017–2025ChevroletSilverado 3500 HDLTZ
2017–2025ChevroletSilverado 3500 HDWT
2017–2021GMCSierra 2500 HDBase
2017–2025GMCSierra 2500 HDDenali
2017–2025GMCSierra 2500 HDSLE
2017–2025GMCSierra 2500 HDSLT
2020–2025GMCSierra 2500 HDAT4
2022–2025GMCSierra 2500 HDPro
2024–2025GMCSierra 2500 HDDenali Ultimate
2024–2025GMCSierra 2500 HDAT4X
2017–2021GMCSierra 3500 HDBase
2017–2025GMCSierra 3500 HDSLE
2017–2025GMCSierra 3500 HDSLT
2017–2025GMCSierra 3500 HDDenali
2020–2025GMCSierra 3500 HDAT4
2022–2025GMCSierra 3500 HDPro
2024–2025GMCSierra 3500 HDDenali Ultimate

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.

Browse More: Shop All Air Intake Components — Air Intake Systems

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
2021-2025ChevroletSilverado 2500 HDCustom
2017-2025ChevroletSilverado 2500 HDHigh Country
2017-2025ChevroletSilverado 2500 HDLT
2017-2025ChevroletSilverado 2500 HDLTZ
2017-2025ChevroletSilverado 2500 HDWT
2024-2025ChevroletSilverado 2500 HDZR2
2017-2025ChevroletSilverado 3500 HDHigh Country
2017-2025ChevroletSilverado 3500 HDLT
2017-2025ChevroletSilverado 3500 HDLTZ
2017-2025ChevroletSilverado 3500 HDWT
2020-2025GMCSierra 2500 HDAT4
2024-2025GMCSierra 2500 HDAT4X
2017-2021GMCSierra 2500 HDBase
2017-2025GMCSierra 2500 HDDenali
2024-2025GMCSierra 2500 HDDenali Ultimate
2022-2025GMCSierra 2500 HDPro
2017-2025GMCSierra 2500 HDSLE
2017-2025GMCSierra 2500 HDSLT
2020-2025GMCSierra 3500 HDAT4
2017-2021GMCSierra 3500 HDBase
2017-2025GMCSierra 3500 HDDenali
2024-2025GMCSierra 3500 HDDenali Ultimate
2022-2025GMCSierra 3500 HDPro
2017-2025GMCSierra 3500 HDSLE
2017-2025GMCSierra 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:
WCF100775-GRY
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Intake Systems>Air Intake Components
Install Type:
Bolt-On
Product Level:
Mid Range
Street Performance:
7/10
Heavy Towing:
6/10
Engine Performance:
7/10
Visual Aesthetic Upgrade:
5/10
Easy DIY Install:
8/10
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