Fleece High Flow Intake Horn For 17-24 Chevy Silverado/GMC Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: FPE-L5P-INTAKEHORN

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$178.49
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Upgrade airflow and throttle response on your L5P Duramax with the Fleece Performance High Flow Intake Horn. Designed as a direct replacement for the restrictive factory plastic intake runner, this cast aluminum intake horn increases inlet diameter from 2.4" to 3.3" to support improved airflow and power potential.

Engineered for durability and performance, this intake horn installs with no tuning or modifications required and retains all factory functionality. With gains of up to 10 rear-wheel horsepower, it is a simple and effective upgrade for stock or modified trucks looking to maximize efficiency and performance.

Features:

  • Direct replacement intake horn for GM L5P Duramax engines
  • Larger 3.3 inch inlet improves airflow over factory 2.4 inch design
  • Cast aluminum construction for strength and heat resistance
  • Supports gains of up to 10 rear wheel horsepower
  • No tuning or modifications required for installation
  • Retains factory sensors and PCV routing
  • Designed for long-term durability under boost
  • Simple bolt-on performance upgrade

Specifications:

  • Brand: Fleece Performance
  • Part Type: High Flow Intake Horn
  • Material: Cast aluminum
  • Finish: Natural aluminum
  • Inlet Diameter: 3.3 inches
  • Factory Inlet Diameter: 2.4 inches
  • Horsepower Gain: Up to 10 RWHP
  • Installation Type: Bolt-on
  • Tuning Required: No

Included: 

  • (1) Cast aluminum intake horn 
  • (1) Square cut O-ring seal 
  • (1) Billet PCV fitting 
  • (4) M8x1.25 mounting bolts 

Fitment:

  • 2017–2024 Chevrolet Silverado 2500HD 6.6L L5P Duramax
  • 2017–2024 Chevrolet Silverado 3500HD 6.6L L5P Duramax
  • 2017–2024 GMC Sierra 2500HD 6.6L L5P Duramax
  • 2017–2024 GMC Sierra 3500HD 6.6L L5P Duramax

Note:

  • 1 Year Warranty
  • This product is not legal for sale or use in the state of California
  • Direct Replacement does not require tuning or vehicle modifications

Product Specs

SKU:
FPE-L5P-INTAKEHORN
Brand:
Fleece

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