---tab Description--- Please Note All tunes are custom and non-refundable under ANY circumstances. EZ LYNK tuning files require 7–10 business days to create. DO NOT install delete parts early. You may be charged import fees. Please accept the delivery and contact us at service@spelabautoparts.com to resolve any charges. Thanks! Does not fit Cab & Chassis trucks. Unlock the true potential of your 2017-2023 GM 6.6L Duramax L5P. This package combines a T409 DPF Delete Pipe, EGR Delete Kit, and EZ Lynk tuner (with device and SOTF tunes) to address common factory limitations and enhance performance. Key Features Eliminates DPF & EGR Issues - Removes the factory DPF, preventing forced regenerations and engine power limiting. Deletes the EGR system to lower engine temperatures and reduce intake carbon buildup, promoting long-term reliability. Customizable On-Demand Power - The EZ Lynk device with SOTF tunes allows you to switch power levels instantly (e.g., Economy, Tow, Performance) for better drivability, fuel efficiency, and significant horsepower gains. Overall Performance Gains - Delivers stronger throttle response, lower exhaust temperatures, and a more robust sound. Reduces vehicle weight and eliminates the future cost of DPF/EGR system repairs. EZ Lynk Key Features How the EZ LYNK Duramax Package Works The Auto Agent 3 connects to your truck’s OBD2 port and links with the EZ LYNK app, giving your technician direct access for updates, troubleshooting and tune delivery via Wi-Fi. NOTE: Tuning does not support PTO units. 60-Second Simple Setup: Plug the device into your Duramax OBD2 port. Install the EZ LYNK Mobile App on Android or iOS. Connect via Wi-Fi, and you're all set for Cloud-based vehicle tuning. Advanced Diagnostic Scan Tool: Connected OBD scan tool for you and your technician. Read and clear Diagnostic Trouble Codes (DTC). Perform recommended functions and install firmware updates over the air. Cloud-Connected Tune Management: Access and install tune files directly through the EZ LYNK cloud interface. Switch between power levels or towing calibrations anytime, anywhere. Automatic data sync ensures VIN-locked tuning integrity and reliability. Fleet-Ready Functionality: Ideal for both single-truck owners and fleet managers. Share data logs, maintenance reports, and diagnostics remotely. Enable multiple user access for simplified management and communication. Platform Compatibility: Web Portal: Access and manage tunes from any browser. EZ LYNK App: iOS 12.0+ and Android 8.0+ compatible for wireless management. Installation 6.6L Duramx DPF Delete Pipe Instruction 2017-2025 6.6L Duramax EGR delete kit instruction EZ Lynk Installation Instruction How to Choose DPF Delete Kit? 4” vs 5” Straight Pipe Comparison When choosing a 6.6 Duramax delete pipe, the most common options are 4-inch and 5-inch straight pipes.The 4-inch straight pipe delivers a tighter, raspier exhaust note—especially noticeable at lower RPMs—making it ideal for daily driving...