2020–2023 Chevy/GMC 6.6L L5P — EM-OFF Performance Kit (Race/Off-Road Use Only)

*** PLEASE PROVIDE YOUR FULL 17-DIGIT VIN IN THE ORDER NOTES AT CHECKOUT ***

Complete Off-Road Kit for 2020–2023 Chevrolet / GMC 2500 & 3500 6.6L Duramax (L5P)
This kit includes everything required for a clean, professional off-road configuration with seamless Shift-On-The-Fly tuning using your steering wheel controls.

Key Features

• EZLYNK AutoAgent 3.0 — Cloud-based tuning, live data monitoring, diagnostics, and remote support.
• Shift-On-The-Fly (SOTF) Steering Wheel Control Integration — Switch power levels on demand using the factory steering wheel buttons. No extra switch required.
• CAN-Bus Plug Harness Set — Clean plug-and-play harness protection for long-term reliability and communication stability.
• EGR Upgrade / Block-Off Kit — Proper reroute hardware designed for durability and leak-free operation.
• Upgraded Downpipe — High-flow downpipe optimizes exhaust flow and turbo response.
• 5" Full Exhaust System — High-flow system providing improved tone, reduced backpressure, and increased efficiency.

Power Levels (Shift-On-The-Fly)

• 0 hp — Factory-like operation
• 50 hp — Tow / Work power with balanced EGT management
• 90 hp — Daily driving improvement
• 120 hp — Strong street performance with responsive throttle
• 150 hp — Maximum performance level

All levels selectable instantly through steering wheel controls.

Benefits

• Massively improved throttle response & drivability
• Reduced turbo lag and smoother power delivery
• Lower exhaust gas temperatures under load (tune dependent)
• Potential MPG gains depending on driving style
• Removed speed limiter & reduced torque intervention

Support

Every kit includes full post-sale support for installation, setup, and tuning assistance.