Wehrli 3.5in Intake Horn w/PCV Port - WCFab Red — Fits 17-19 Chevrolet/GMC 6.6L L5P Duramax

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SKU: WCFWCF100721-RED
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli 3.5in Intake Horn w/PCV Port - WCFab Red

Unleash Power with WCFab Red

Upgrade your 2017-2019 Chevrolet and GMC 6.6L L5P Duramax truck with the Wehrli 3.5in Intake Horn, now available in a striking WCFab Red finish. This premium intake horn is meticulously engineered to enhance airflow efficiency, providing a noticeable improvement in your engine's performance and responsiveness. Designed as a direct fit for the L5P Duramax, it replaces the restrictive stock component with a larger, smoother path for air intake.

Performance and Style Combined:

  • Enhanced Airflow: The 3.5-inch diameter promotes a higher volume of air reaching the engine, contributing to increased horsepower and torque.
  • PCV Port Integration: Features a built-in PCV port to ensure proper crankcase ventilation, maintaining engine integrity and emissions standards.
  • Robust Construction: Built with high-quality materials to withstand the demanding conditions of diesel engines, ensuring reliability and longevity.
  • Vibrant WCFab Red Finish: The eye-catching WCFab Red powder-coat adds a custom, aggressive look to your engine bay while protecting against corrosion.
  • Exact Fitment: Precisely manufactured for 2017-2019 Chevrolet Silverado 2500 HD, 3500 HD, and GMC Sierra 2500 HD, 3500 HD models equipped with the 6.6L L5P Duramax engine.

This intake horn is an essential upgrade for any L5P Duramax owner looking to optimize their engine's breathing capabilities and add a touch of custom style. Easy to install, it's a smart investment in your truck's performance. Get the Wehrli 3.5in Intake Horn in WCFab Red from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Chevrolet Silverado 2500 HD High Country
2017-2019 Chevrolet Silverado 2500 HD LT
2017-2019 Chevrolet Silverado 2500 HD LTZ
2017-2019 Chevrolet Silverado 2500 HD WT
2017-2019 Chevrolet Silverado 3500 HD High Country
2017-2019 Chevrolet Silverado 3500 HD LTZ
2017-2019 Chevrolet Silverado 3500 HD WT
2017-2019 GMC Sierra 2500 HD Base
2017-2019 GMC Sierra 2500 HD Denali
2017-2019 GMC Sierra 2500 HD SLE
2017-2019 GMC Sierra 2500 HD SLT
2017-2019 GMC Sierra 3500 HD Denali
2017-2019 GMC Sierra 3500 HD SLE
2017-2019 GMC Sierra 3500 HD SLT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli 3.5in Intake Horn w/PCV Port - WCFab Red

Unleash Power with WCFab Red

Upgrade your 2017-2019 Chevrolet and GMC 6.6L L5P Duramax truck with the Wehrli 3.5in Intake Horn, now available in a striking WCFab Red finish. This premium intake horn is meticulously engineered to enhance airflow efficiency, providing a noticeable improvement in your engine's performance and responsiveness. Designed as a direct fit for the L5P Duramax, it replaces the restrictive stock component with a larger, smoother path for air intake.

Performance and Style Combined:

  • Enhanced Airflow: The 3.5-inch diameter promotes a higher volume of air reaching the engine, contributing to increased horsepower and torque.
  • PCV Port Integration: Features a built-in PCV port to ensure proper crankcase ventilation, maintaining engine integrity and emissions standards.
  • Robust Construction: Built with high-quality materials to withstand the demanding conditions of diesel engines, ensuring reliability and longevity.
  • Vibrant WCFab Red Finish: The eye-catching WCFab Red powder-coat adds a custom, aggressive look to your engine bay while protecting against corrosion.
  • Exact Fitment: Precisely manufactured for 2017-2019 Chevrolet Silverado 2500 HD, 3500 HD, and GMC Sierra 2500 HD, 3500 HD models equipped with the 6.6L L5P Duramax engine.

This intake horn is an essential upgrade for any L5P Duramax owner looking to optimize their engine's breathing capabilities and add a touch of custom style. Easy to install, it's a smart investment in your truck's performance. Get the Wehrli 3.5in Intake Horn in WCFab Red from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Chevrolet Silverado 2500 HD High Country
2017-2019 Chevrolet Silverado 2500 HD LT
2017-2019 Chevrolet Silverado 2500 HD LTZ
2017-2019 Chevrolet Silverado 2500 HD WT
2017-2019 Chevrolet Silverado 3500 HD High Country
2017-2019 Chevrolet Silverado 3500 HD LTZ
2017-2019 Chevrolet Silverado 3500 HD WT
2017-2019 GMC Sierra 2500 HD Base
2017-2019 GMC Sierra 2500 HD Denali
2017-2019 GMC Sierra 2500 HD SLE
2017-2019 GMC Sierra 2500 HD SLT
2017-2019 GMC Sierra 3500 HD Denali
2017-2019 GMC Sierra 3500 HD SLE
2017-2019 GMC Sierra 3500 HD SLT

Product Details

Product Description

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli 3.5in Intake Horn w/PCV Port - WCFab Red

Unleash Power with WCFab Red

Upgrade your 2017-2019 Chevrolet and GMC 6.6L L5P Duramax truck with the Wehrli 3.5in Intake Horn, now available in a striking WCFab Red finish. This premium intake horn is meticulously engineered to enhance airflow efficiency, providing a noticeable improvement in your engine's performance and responsiveness. Designed as a direct fit for the L5P Duramax, it replaces the restrictive stock component with a larger, smoother path for air intake.

Performance and Style Combined:

  • Enhanced Airflow: The 3.5-inch diameter promotes a higher volume of air reaching the engine, contributing to increased horsepower and torque.
  • PCV Port Integration: Features a built-in PCV port to ensure proper crankcase ventilation, maintaining engine integrity and emissions standards.
  • Robust Construction: Built with high-quality materials to withstand the demanding conditions of diesel engines, ensuring reliability and longevity.
  • Vibrant WCFab Red Finish: The eye-catching WCFab Red powder-coat adds a custom, aggressive look to your engine bay while protecting against corrosion.
  • Exact Fitment: Precisely manufactured for 2017-2019 Chevrolet Silverado 2500 HD, 3500 HD, and GMC Sierra 2500 HD, 3500 HD models equipped with the 6.6L L5P Duramax engine.

This intake horn is an essential upgrade for any L5P Duramax owner looking to optimize their engine's breathing capabilities and add a touch of custom style. Easy to install, it's a smart investment in your truck's performance. Get the Wehrli 3.5in Intake Horn in WCFab Red from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Chevrolet Silverado 2500 HD High Country
2017-2019 Chevrolet Silverado 2500 HD LT
2017-2019 Chevrolet Silverado 2500 HD LTZ
2017-2019 Chevrolet Silverado 2500 HD WT
2017-2019 Chevrolet Silverado 3500 HD High Country
2017-2019 Chevrolet Silverado 3500 HD LTZ
2017-2019 Chevrolet Silverado 3500 HD WT
2017-2019 GMC Sierra 2500 HD Base
2017-2019 GMC Sierra 2500 HD Denali
2017-2019 GMC Sierra 2500 HD SLE
2017-2019 GMC Sierra 2500 HD SLT
2017-2019 GMC Sierra 3500 HD Denali
2017-2019 GMC Sierra 3500 HD SLE
2017-2019 GMC Sierra 3500 HD SLT

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