2017-2026 Duramax 4" Turbo Intake Horn (WCF100775)

4" Turbo Intake Horn for the L5P Duramax with factory-style Turbo. Improves airflow to turbo by removing restrictions found in the factory horn right before the turbo inlet.  

Part Number:  WCF100775 

Superseded Part Number: WCF100833 

• Flows 27% Better than Stock!
• True 4" Inlet Turbo Intake with smooth flowing transition to strategically designed anti-surge face which properly engages into turbo compressor cover for optimized airflow and drivability.
• 25% Greater Flow Area than OEM at Compressor Inlet
• CNC Machined Cast Aluminum Construction
• Compatible with stock and OEM-style aftermarket drop in style turbochargers with larger compressor wheels
• Includes #10 ORB threaded billet aluminum hose barb for PCV connection - Emissions Compliant!
• Works with OEM and Aftermarket Cold Air Intake Systems
• Bolt On Upgrade, No Tuning Required. Works with stock trucks, no other modifications or upgrades necessary!
• O-Ring Seal at Face of Turbocharger
• Includes Mounting Hardware

• This product is not on order estimated average lead time is 40+ business days

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