GM Duramax LML - Intercooler Pipe & Boot Kit (2011-2016)
Type: Intercooler Pipe
Increase airflow. Reduce heat. Support stronger boost delivery. This upgraded Intercooler Pipe & Boot Kit is designed for 2011β2016 6.6L Duramax LML trucks and replaces restrictive factory charge piping with larger-diameter aluminum tubing and reinforced silicone boots. Built for both stock and tuned applications, this system promotes smoother airflow and improved efficiency under load.
The factory intercooler piping on LML Duramax trucks can create airflow restriction due to narrow sections and tight bends. This 3-inch polished aluminum upgrade increases charge air capacity while improving flow consistency. Paired with multi-layer silicone boots and heavy-duty clamps, itβs engineered to handle elevated boost pressure and high temperatures common in towing and performance builds.
Vehicle Fitment
- 2011β2016 GMC Sierra 2500HD / 3500HD β 6.6L Duramax LML
- 2011β2016 Chevrolet Silverado 2500HD / 3500HD β 6.6L Duramax LML
Technical Specifications
| Product Type | Intercooler Pipe & Boot Kit |
| Pipe Diameter | 3β Polished Aluminum |
| Boot Material | Multi-Layer, Oil-Resistant Silicone |
| Finish | Polished Aluminum |
| Hardware | Complete Clamp & Fitting Kit Included |
| Installation | Direct-Fit Replacement |
| Application | Stock, Tuned, Towing & Performance Builds |
Whatβs Included
- 3β polished aluminum intercooler piping
- Reinforced multi-layer silicone boots
- Stainless steel clamps and hardware
- Installation instructions
Features
- Larger 3β aluminum piping for improved airflow capacity
- Smooth mandrel bends for consistent boost delivery
- Heavy-duty silicone boots resistant to oil and heat
- Secure clamp system for leak-resistant installation
- Polished finish enhances under-hood appearance
Benefits
- Reduces factory charge-air restriction
- Supports lower EGTs under load
- Improves throttle response and acceleration
- Maintains consistent boost pressure in high-demand conditions
- Adds a performance-oriented look to the engine bay
Installation Notes
- Direct replacement for factory intercooler piping.
- Professional installation recommended for tuned applications.
- Ensure all clamps are properly torqued to prevent boost leaks.
Important Notes:
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Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- OffβRoad Use Only
Products sold by JS Speed are intended for offβroad use and may be illegal on public roads where emissions or pollutionβcontrol 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 vehicleβs 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.
