GM Duramax 6.6L LML - Cold Air Intake (2013-2016)
Type: Cold Air Intake | Fits: GM Duramax
Upgrade airflow, power, and under-hood style.
This performance cold air intake system is built specifically for 2013–2016 GM 6.6L Duramax LML trucks. Featuring 4" aluminum piping and a wrinkle black finish, it’s engineered to improve throttle response, enhance turbo spool, and deliver a more aggressive intake tone—all in an easy, bolt-on package.
Built for everyday driving, towing, or performance builds, this cold air intake system replaces the factory airbox and restrictive piping with high-flow aluminum tubing and a washable micro cotton filter. It’s optimized to boost airflow while keeping installation fast and frustration-free.
Vehicle Fitment
Compatible Vehicles
- 2013–2016 Chevrolet Silverado 2500HD / 3500HD with 6.6L Duramax LML
- 2013–2016 GMC Sierra 2500HD / 3500HD with 6.6L Duramax LML
This is a direct-fit intake for LML platforms and requires no cutting, tuning, or additional modifications.
Specifications
| Feature | Description |
|---|---|
| Intake Piping | 4-inch aluminum piping |
| Finish | Wrinkle black powder coat |
| Filter Type | Washable high-flow micro cotton filter |
| Installation | Direct bolt-on, no tuning required |
| Hardware | Includes clamps, couplers, and mounting brackets |
What’s Included
- 4" aluminum intake tube
- High-flow washable micro cotton air filter
- Wrinkle black powder-coated finish
- Silicone couplers and clamps
- Full mounting hardware and brackets
Key Features
- Large-diameter 4" aluminum piping increases airflow volume
- Wrinkle black coating provides heat resistance and sleek style
- High-efficiency filter improves filtration while maintaining flow
- Designed for enhanced throttle response and engine sound
- Simple bolt-on installation using basic tools
Benefits
- Better turbo spool and low-end throttle response
- Increased horsepower potential with supporting mods
- More aggressive intake tone under acceleration
- Washable and reusable filter reduces long-term maintenance cost
- No tuning or permanent vehicle modification required
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
