Wehrli

Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red - WCF100775-RED

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SKU:
WCFWCF100775-RED
UPC:
WCF100775-RED
MPN:
WCF100775-RED
Availability:
Regularly stocked product
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MSRP: $294.00
$285.18
— You save $8.82
Current Stock: 1

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Description

Will this intake horn fit my 2021 Silverado 2500 HD?
Yes, the Wehrli Intake Horn is engineered to precisely fit all 2017-2025 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD models.

Is this an easy bolt-on installation?
Professional installation is recommended for this performance air intake component to ensure optimal airflow and secure fitment.

The Wehrli Intake Horn is the largest and highest flowing turbo inlet on the market for 2017-2025 Silverado and Sierra 2500/3500 HD trucks, boasting a score of 9 for Engine Performance. This 4 inch high flow cast aluminum turbo intake horn directly replaces the restrictive OEM plastic component, transforming your truck's air intake system for superior turbo spooling and instant throttle response.

Key Features

  • 4 inch High Flow Cast Aluminum Turbo Intake Horn
  • largest and highest flowing turbo inlet on the market
  • Replaces the restrictive OEM plastic turbo mouthpiece
  • increased airflow to your turbocharger
  • Includes billet aluminum port for PCV system connection
  • All aluminum construction

Why Choose the WCF Intake Horn

Delivers maximum airflow to your turbo for instant throttle response.

Achieves superior turbo spooling for a more powerful driving experience.

Transforms your truck's performance by eliminating restrictive factory components.

Provides a robust and durable upgrade for your truck's air intake.

Who Is This For?

Street Performance — 8/10
Increased airflow to turbocharger for better performance.

Engine Performance — 9/10
Largest and highest flowing turbo inlet increases airflow.

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

Racing Competition — 8/10
Unparalleled airflow for maximum engine output.

Visual Aesthetic Upgrade — 6/10
All aluminum construction offers premium appearance.

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-RED
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Intake Systems>Air Intake Components
Product Level:
Premium Performance
Street Performance:
8/10
Engine Performance:
9/10
Heavy Towing:
7/10
Racing Competition:
8/10
Visual Aesthetic Upgrade:
6/10
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