Untitled Document
MenuWehrli Turbo Intake Horn for Chevy/GMC 6.6L Duramax 4in Cast AluminumPRODUCT DESCRIPTIONWehrli Turbo Intake Horn for Chevy/GMC 6.6L Duramax 4in Cast Aluminum
Upgrade your 2017-2025 Chevrolet Silverado or GMC 2500/3500 HD with the Wehrli 4-inch High Flow Cast Aluminum Turbo Intake Horn. Designed for the 6.6L Duramax diesel, this high-performance inlet replaces the restrictive factory plastic turbo mouthpiece to help improve airflow, throttle response, and overall engine efficiency.
Built from durable cast aluminum, this turbo intake horn delivers long-lasting strength, a more aggressive turbo sound, and a premium fit and finish. It also includes a billet aluminum PCV port for direct crankcase ventilation connection and can be custom powder coated in your choice of color.
Key Features
- Largest high-flow turbo inlet available for the L5P Duramax
- Replaces restrictive OEM plastic turbo mouthpiece
- Improves airflow for better turbocharger performance
- All-aluminum construction for added durability
- Includes billet aluminum PCV port
- Custom powder coat options available
- Made in the USA
Fitment & Compatibility
Fits 2017-2025 Chevy Silverado and GMC 2500/3500 HD trucks with the 6.6L Duramax diesel. Also compatible with the L5D 6.6L Duramax found in 2019-2024 GM Medium Duty 4500, 5500, and 6500 trucks.
OEM Part Number Replaces: 12678756
GM Part Numbers: 19432816, 12682569
KEY FEATURES
- ✓Enhances engine efficiency with the largest high-flow turbo inlet design.
- ✓Boosts throttle response by replacing restrictive OEM plastic components.
- ✓Crafted from durable cast aluminum for superior strength and longevity.
- ✓Customizable powder coat options allow for personalized aesthetics.
- ✓Includes a billet aluminum PCV port for seamless crankcase ventilation.
We accept the following payment methods:
✓ PayPal
✓ All Major Credit Cards
Visa, Mastercard, American Express, Discover
VISAMastercardAmerican ExpressDISCOVER
- Shipping and Handling Charges Are Free unless specified in the listing.
- Hawaii and Alaska orders will have an increase in shipping costs.
- **We will notify you if there is an increase in the shipping charge or inyour order prior to billing Carrier: Most of our packages are shipped via Fedex and USPS.
- International Shipments, APO/FPO, P.O. Boxes and shipments to Alaska and Hawaii will be shipped via USPS.
- If a special shipping method is required please send us a message and we will do our best to help you out.
- **We have the right to change the carrier under certain
