DPF/DEF/EGR Delete 2017-2023 L5P 6.6L Duramax All-in-One Kit

EZ Lynk Tune DPF/DEF/EGR Delete Kit | 2017–2023 L5P 6.6L Duramax (GM Sierra / Chevy Silverado)

Take full control of your 2017-2023 L5P Duramax performance with EZ Lynk tune DPF/DEF/EGR delete kit — with an exhaust system, EGR delete kit, and EZ LYNK tuner included, this package offers a complete, integrated solution designed to eliminate restrictive factory emissions systems and unlock substantial horsepower, torque, and drivability gains.

Fitment

• 2017–2023 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
  

• 2017–2023 Chevrolet Silverado 2500HD/ 3500HD 6.6L Duramax L5P
  

❌ Tuning does NOT support PTO units

Important Installation Note

Our L5P downpipe-back exhaust must be used together with our upgraded L5p downpipe (click to purchase). We already included that as a product add-on option for you.

For 2017-2023 L5p Duramax engine: Your truck needs a CAN bus plug (click to purchase) to operate correctly. 

Key Performance Benefits

✔ Eliminates DPF & EGR Issues

• Removes factory DPF system to prevent forced regenerations

• Eliminates EGR system to reduce intake carbon buildup

• Lowers engine operating temperatures

• Reduces exhaust backpressure

• Improves long-term engine reliability

✔ Customizable On-Demand Power (SOTF)

The EZ Lynk SOTF tuning system allows instant switching between multiple calibrated power levels: Economy, Tow, Street, Performance, and High Output. Adjust power anytime to match towing demands, daily driving, or aggressive builds.

✔ Overall Performance Gains

• Faster throttle response

• Lower EGTs (Exhaust Gas Temperatures)

• Increased horsepower and torque

• Improved turbo spool efficiency

• Deeper, more aggressive exhaust tone

• Reduced future maintenance costs related to DPF/EGR systems

EZ Lynk Auto Agent – Advanced Cloud-Based Tuning

How It Works

EZ Lynk Auto Agent connects directly to your L5P’s OBD2 port and communicates with the EZ Lynk mobile app via Wi-Fi. Your technician can remotely deliver custom tunes, provide updates, and assist with diagnostics through secure cloud-based access.

No ECM removal. No dealership visit required.

60-Second Simple Setup

1. Plug the Auto Agent into your OBD2 port

2. Install the EZ Lynk App (iOS or Android)

3. Connect via Wi-Fi

4. Download and flash your custom tune

Fast. Secure. Reliable.

Advanced Diagnostic Scan Tool

• Read and clear Diagnostic Trouble Codes (DTCs)

• Monitor real-time engine data

• Record and share data logs

• Perform over-the-air firmware updates

• Remote troubleshooting support

Cloud-Connected Tune Management

• Access tune files anytime through the EZ Lynk cloud

• Instantly switch between power levels

• Secure VIN-locked tuning

• Automatic synchronization and backup

• Long-term tune support access

Fleet-Ready Capability

• Ideal for individual truck owners or fleet managers

• Share logs and maintenance data remotely

• Enable multiple user access

• Simplified vehicle management

Platform Compatibility

• Web Portal: Browser-based tune access

• iOS 12.0+

• Android 8.0+

Types of DPF Delete Systems

DPF Race Delete

• Removes DPF only

• Retains factory downpipe

• Budget-friendly option

• Minimal performance increase

Downpipe-Back Delete

• Replaces exhaust from upgraded downpipe rearward

• Improves throttle response

• Great for stock turbo applications

Installation Guides

• 6.6L Duramax L5P DPF Delete Pipe Instructions

• 2017–2025 6.6L Duramax EGR Delete Kit Instructions

• EZ Lynk Installation Guide

Please Note

• All tunes are custom and non-refundable under ANY circumstances.

• Import duties or brokerage fees may apply depending on destination. Please accept delivery and contact us at service@dpfexhaust.com if any shipping-related charges occur.

Fast & Free Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy.

Easy & Free Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy.