Cold Air Intake for Chevrolet Suburban (2015-2019) 5.3L V8 Engine

Breathe Better and Improve Throttle Response for the 2015-2019 Chevrolet Suburban 5.3L EcoTec3

Who It’s For: Designed specifically for Chevrolet Suburban owners running the EcoTec3 L83 engine who want to improve the efficiency and sound of their 5.3L V8.

The Problem: The factory intake system on the EcoTec3 L83 is designed for silence above all else. It features a heavy, baffled resonator box and corrugated plastic tubing that creates massive air turbulence. This restriction chokes the V8, leading to sluggish throttle response and a muted exhaust note that hides the true character of the 5.3L engine.

The Solution: We have replaced the restrictive plastic assembly with a high-flow T304 aluminum intake system. This kit removes the turbulence-inducing factory baffles, allowing the EcoTec3 engine to pull in a higher volume of air with less effort. This results in a noticeable improvement in low-end torque and a much crisper response when you step on the gas.

Why This is the Ultimate Upgrade

• Enhanced Power Delivery: Real-world gains of up to 10% in horsepower and torque by optimizing the air-to-fuel ratio and reducing intake vacuum.
• T304 Aluminum Construction: Unlike cheap plastic kits, our lightweight aluminum piping dissipates heat faster and won’t crack or degrade over thousands of heat cycles.
• Maintenance-Free Performance: Features a high-velocity washable filter that only requires cleaning every 50,000 miles, eliminating the need for expensive paper filter replacements.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 2015 Chevrolet Suburban 5.3L V8
• 2016 Chevrolet Suburban 5.3L V8
• 2017 Chevrolet Suburban 5.3L V8
• 2018 Chevrolet Suburban 5.3L V8
• 2019 Chevrolet Suburban 5.3L V8

Interchange Part Numbers:

2015, 2016, 2017, 2018, 2019, 5.3, 5.3L, V8, EcoTec3, L83

The Performance Promise

Buy with confidence. This kit is a direct bolt-on and will not void your vehicle warranty. For the best results, we recommend disconnecting your battery for 10 minutes after installation to allow the ECU to recalibrate for the increased airflow. Backed by real automotive experts and fast shipping.