2017-2019 GMC/CHEVROLET 6.6L DURAMAX L5P 3.5" POLISHED INTAKE TURBO HORN
Boost airflow and performance on your 2017–2019 GMC/Chevrolet 6.6L Duramax L5P with this 3.5" Polished Intake Turbo Horn. Designed to eliminate the restrictive factory intake elbow, this high-flow turbo horn increases intake volume, reduces turbo lag, and improves overall engine efficiency. GMC and Chevrolet 6.6l L5P factory intake horns are made of a plastic mold and are much smaller starting from the neck down. Its point of connection to your intake all the way down to the face of the turbo going down as small as 2.4 inches at the inlet of the turbo, even through the center section itself is around three inches. This 3.5” polished steel intake horn will complement your turbocharger in a major way by increasing your boost and add a much better throttle response.
Features & Benefits:
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Fits 2017–2019 Silverado/Sierra 2500HD & 3500HD 6.6L Duramax L5P
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3.5" diameter pipe increases airflow to the turbocharger
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Replaces restrictive factory turbo inlet elbow
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CNC-machined, lightweight aluminum construction
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High-polish finish enhances engine bay appearance
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Improves turbo spool and reduces lag
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Supports stock or tuned applications
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Direct bolt-on fit – no cutting or fabrication
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Compatible with OEM or aftermarket cold air intake systems
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Includes all necessary installation hardware
Truck Compatibility / Applications:
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2017–2019 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
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2017–2019 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
This 3.5" Polished Intake Turbo Horn is a simple yet effective upgrade that improves airflow, turbo efficiency, and engine performance. It's a must-have for any L5P Duramax owner looking for both functionality and a sleek under-hood appearance.
Shipping Disclaimer:
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✔️ Expedited shipping options are available at checkout.
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
This product may expose you to chemicals including aluminum, welding fumes, and other compounds, known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit: www.P65Warnings.ca.gov
WARNING:
Will not fit aftermarket turbos
