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Gain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Duramax! Our intake horn directly replaces the smaller (2.4" diameter) plastic molded stock intake runner with our larger (3.3" diameter) cast aluminum model.
Key Features
- Purpose-built air intake components
- Exact configuration is identified by the manufacturer part number
- Compatibility depends on the documented vehicle or component application
- Included components are limited to the exact listing configuration
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | 6.6L, L5P |
| 2017-2019 | Chevrolet | Silverado 3500 HD | 6.6L, L5P |
| 2017-2019 | GMC | Sierra 2500 HD | 6.6L, L5P |
| 2017-2019 | GMC | Sierra 3500 HD | 6.6L, L5P |
Specifications
| Brand | Fleece Performance |
|---|---|
| Manufacturer Part Number | FPE-L5P-INTAKEHORN |
| Product Type | Air Intake Components |
| Condition | New |
| Engine | 6.6L |
| Material | cast aluminum |
What's Included
One new Fleece Performance product identified by manufacturer part number FPE-L5P-INTAKEHORN. Additional fittings, fluids, hoses, wiring, tuning, tools, and hardware are included only when expressly stated for this exact part number.
About Fleece Performance
Fleece Performance Engineering develops diesel fuel-system, turbocharger, cooling, valvetrain, engine, and electrical components for Cummins, Duramax, Power Stroke, and related applications. Correct selection depends on the exact part number and complete application details.
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Frequently Asked Questions
How do I confirm Fleece Performance FPE-L5P-INTAKEHORN fits?
Match every year, make, model, and application note in the fitment table. Confirm engine, drivetrain, body configuration, factory equipment, connectors, and any exclusions before ordering.
What is included with Fleece Performance FPE-L5P-INTAKEHORN?
The listing includes only the components stated in the What's Included section. Related fittings, wiring, fluids, tools, and supporting parts are not included unless expressly listed.
Does installation require tuning or additional parts?
Requirements vary by application. Confirm tuning, calibration, fluids, seals, fittings, wiring, specialty tools, and supporting modifications before installation.
Installation Instructions
- Verify the exact application and inspect every included component before installation.
- Follow the current Fleece Performance instructions for the exact part number, including all torque, sealing, wiring, fluid, clearance, priming, and calibration requirements.
- Check for leaks, fault codes, abnormal operation, and loose connections after startup and again after the initial drive.
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