Description
Fitment
- 2011–2016 Chevy/GMC 2500HD 3500HD Duramax LML 6.6L Pickup
- Does NOT fit Cab & Chassis
2015 or 2015.5?
2015 is a split year. The 2011-2015 downpipe is secured to the turbo-direct pipe using a V-band style clamp. The 2015.5-2016 uses a 3 bolt flange style connection. Be sure to visually verify the clamp style your truck is equipped with.
⚠️ Important Notes
- For off-road, race, or competition use only
- EZ LYNK tuning files require 7–10 business days to process.DO NOT install delete components before tuning is flashed.
- Custom tunes are non-refundable once delivered
- The tuner may ship separately from other items
Description
Unlock the full potential of your 6.6L Duramax LML engine with this complete delete solution in one convenient package. This comprehensive kit combines the EZ LYNK tuner, precision EGR delete hardware, and your choice of high-flow DPF delete exhaust to improve exhaust flow, reduce restrictions, and boost overall performance for off-road and race applications.
The 2011-2016 Duramax LML engine is a reliable performer but can be limited by restrictive factory emissions systems. This kit removes those restrictions, helping your truck breathe easier, enhancing power, and providing a more refined driving experience on or off the track.
Key Features
Complete Performance Package
Includes the EZ LYNK tuner, custom tunes, EGR delete components, and DPF delete exhaust in a complete, matched system, providing a seamless upgrade for your Duramax LML truck.
EZ LYNK Cloud-Based Tuning
Flash your truck quickly, monitor real-time data, and manage tunes easily through the user-friendly EZ LYNK platform, putting complete control of your truck’s performance in your hands.
Improved Exhaust Flow & Reduced Backpressure
By removing restrictive factory DPF and EGR systems, this kit allows your 6.6L Duramax engine to breathe more freely, resulting in better throttle response, more power, and reduced exhaust gas temperatures (EGTs).
Durable DPF Delete Exhaust
Choose from a variety of exhaust configurations, all made from tough T409 stainless steel known for excellent corrosion resistance and strength, ensuring longevity for both daily driving and high-performance applications.
Optimized for Off-Road / Race Use
Engineered for competition or off-road vehicles where emissions equipment removal is permitted, enabling more power and increased efficiency for extreme applications.
EZ Lynk Tuning Options
- Single Tune (Stock Optimized) — Ideal for one-time flashes or fleet use. Retains factory safety limits while boosting drivability and overall power. Speed limiter removed.
- SOTF Tune Package — Switch-On-The-Fly between up to 5 performance levels, giving you maximum flexibility and full support for different performance needs.
Note: Tuning does NOT support PTO units.
Quick 60-Second Setup
- Simply plug the EZ Lynk device into the vehicle’s OBD2 port.
- Download the EZ Lynk Mobile App (iOS or Android).
- Connect via Wi-Fi to begin cloud-based tuning instantly.
Advanced Diagnostics
- Full OBD scan tool functionality.
- Monitor, record, and share live vehicle data.
- Read and clear Diagnostic Trouble Codes (DTCs).
- Perform over-the-air firmware updates.
Electronic Logging Device (ELD)
- FMCSA compliant for hassle-free log management.
- Supports easy upload of receipts and inspection documents.
- Allows seamless communication between drivers and fleet managers via the app.
Full Support Provided
- Unlimited access to the tune file library.
- Ongoing cloud-based tuning support for Duramax LML trucks.
Device & Software Compatibility
- Web Portal: Access tunes from any modern browser.
- EZ Lynk App: Supports iOS 12.0+ and Android 8.0+.
What’s Included
1. EZ LYNK Tuner Device
Custom Tune File — Choose One:
- Single Tune
- SOTF (Switch-On-The-Fly) Tune
2. EGR Delete Kit
3. DPF Delete Pipe — Choose One (T409 Stainless Steel):
- 4″ DPF Race
- 4″ DPF Race w/ Muffler
- 4″ Downpipe-Back
- 5″ Downpipe-Back
- 5″ Downpipe-Back w/Muffler
- 4″ Cat Back
Installation
2011-2016 6.6 Duramax EGR Delete Kit Installation Guide
EZ Lynk Tune Package Installation Guide
FAQ
Q: How do I choose the right DPF Delete Pipe?
A: Choose based on your sound preference and performance requirements. 4″ systems are ideal for daily driving with a balanced tone, while 5″ systems maximize airflow and provide a more aggressive exhaust note. Muffler versions help reduce drone, while race versions are louder and more aggressive.
Q: What is the difference between Single Tune and SOTF Tune?
A: Single Tune offers one fixed performance calibration. SOTF (Switch-On-The-Fly) lets you switch between multiple performance levels while driving, offering greater flexibility and control.
Q: How long does shipping take for the EZ Lynk tuner?
A: The tuner typically arrives within 5–10 business days and may ship separately from other items.
Q: Is this kit street legal?
A: No. This product is intended for off-road, race, or competition use only, where emissions equipment removal is allowed. Please ensure you check your local regulations before purchasing.
Q: Is professional installation recommended?
A: Yes. Professional installation is highly recommended to ensure proper fitment, correct tuning, and safe operation.
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