S&B 75-5144 Cold Air Intake with Oiled Filter | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

S&B Cold Air Intake System (Part #75-5144)

Fits: 2017–2019 GM Silverado 2500HD/3500HD & Sierra 2500HD/3500HD with 6.6L Duramax L5P Diesel

Maximize Airflow, Horsepower, and Efficiency for Your Duramax L5P

Unleash the full performance potential of your 6.6L Duramax L5P with the S&B Cold Air Intake System (Part #75-5144). Specifically designed for 2017–2019 GM Silverado and Sierra 2500HD/3500HD models, this high-flow cold air intake delivers significantly improved airflow, filtration, and throttle response — all while maintaining OEM fitment and ease of installation.

Whether you're towing, daily driving, or chasing diesel performance gains, this intake system helps your Duramax diesel engine breathe deeper and run stronger. With up to 47.7% more airflow compared to the stock system, this upgrade supports increased horsepower and torque while also improving fuel efficiency and reducing intake restriction.

Key Features:

• Massive Airflow Increase
  Designed to maximize airflow while minimizing restriction, this intake delivers up to 47.7% more airflow over the factory intake system for improved combustion and engine output.

• High-Efficiency Oiled Air Filter
  Features a large, reusable 8-layer cotton filter that traps dirt and contaminants while allowing clean, high-volume airflow to reach your engine.

• Fully Enclosed Airbox
  Shields the air filter from hot engine air and dust while isolating incoming airflow for cooler, denser, and more efficient combustion.

• Integrated Silicone Scoop
  Pulls additional air from the L5P’s factory hood intake to further enhance airflow volume and overall engine performance.

• Multiple Air Inlets with Optional Plug
  Offers two large air inlets and includes an optional plug so you can tailor the intake for maximum airflow or better protection in extreme environments.

• Clear Inspection Lid
  S&B’s signature clear lid adds a clean, finished look to your engine bay and lets you quickly check the filter condition without removing the housing.

• Premium Silicone Components
  All couplers and seals are made from durable silicone for improved longevity, heat resistance, and vibration isolation.

Installation Notes:

The S&B Cold Air Intake is a direct bolt-on replacement for the factory air box and intake tubing. Installation is quick and easy with common tools and requires no permanent modifications. All necessary hardware and instructions are included for a smooth setup. Designed to work with stock tuning and engine configurations.

Benefits:

• Increases airflow for better combustion

• Supports horsepower and torque gains

• Improves throttle response and engine sound

• Helps improve fuel efficiency

• Protects engine with advanced air filtration

• Easy to install and maintain

Warranty:

Backed by S&B’s Million-Mile Limited Warranty, giving you peace of mind in your investment and confidence in long-term performance.

Fitment:

• 2017, 2018, 2019 Chevrolet Silverado 2500HD & 3500HD with 6.6L Duramax L5P

• 2017, 2018, 2019 GMC Sierra 2500HD & 3500HD with 6.6L Duramax L5P

• Crew Cab, Extended Cab, and Regular Cab fitment included

• Will not fit models with aftermarket turbo or hood modifications