6.7 Powerstroke DEF System Removal Kit: The "Fix It Forever" Package Guide

Author: Lawrence Z, Diesel Performance Specialist at DPFexhaust

⚠️ LEGAL DISCLAIMER: OFF-ROAD USE ONLY

Removing emissions equipment (DEF/SCR/DPF) is illegal for street-registered vehicles. This guide is for off-road competition use only.

Is your 6.7L Powerstroke dashboard displaying the dreaded message: "Speed Limited to 50MPH in 50 Miles"?

Are you staring at a dealer quote for $1,500 just to replace a faulty DEF heater (Reductant Heater) or a burnt-out pump?

You are not alone. The DEF (Diesel Exhaust Fluid) system is widely considered the Achilles' heel of the modern 6.7L Powerstroke. Instead of fixing a system that will just break again, many owners look for a Complete DEF Removal Package.

But be warned: You cannot just unplug the tank and drive away. Here is exactly what you need to remove the system correctly, avoid limp mode, and protect your truck.

1. What is a "Complete" DEF Removal Package?

Many beginners make the mistake of buying just a "Delete Pipe." A pipe alone will not fix your DEF problem. If you unplug the DEF injector without tuning the computer, your truck will refuse to start.

A true Complete Package must include three components:

1. The Tuner (The Brain): This is non-negotiable. You need a device (like an EZ Lynk or Mini Maxx) loaded with custom tunes that tell the ECU to stop looking for the DEF sensors, heater, and pump. This immediately clears the limp mode countdown.

2. The Exhaust (The Hardware): Since the DEF injector is mounted directly into the exhaust pipe, you need a replacement pipe (DPF/CAT Delete Pipe) to physically remove the restriction.

3. The Connector Plugs (The Protection): Often overlooked! When you unplug the DEF pump and injector under the truck, you leave open electrical sockets. A complete kit includes dummy plugs to cap these off, preventing mud and salt from rotting your factory wiring harness.

2. The Great Debate: Remove the Tank or Leave It?

Once you have the kit, what do you do with the massive plastic urea tank hanging under your chassis?

Option A: Full Removal (Recommended)

• Pros: You shed about 50-80 lbs of dead weight (especially if the tank is full). It cleans up the undercarriage and makes accessing the fuel tank easier.

• Action: Unbolt the skid plate and drop the entire assembly. It's held on by just a few straps.

Option B: Leave It (Stealth Mode)

• Pros: Visual camouflage. From the side, the truck looks completely stock.

• Warning: If you leave the tank, you MUST drain the DEF fluid. DEF fluid has a shelf life. If left stagnant for years, it can crystallize, turn into a corrosive sludge, and rot the tank from the inside out.

3. The Economics: Fix It vs. Delete It

Why is the "Complete Package" the smart financial move?

• Repairing Stock: A new Ford OEM DEF Heater assembly often costs $600+ for the part alone, plus labor. And it is a known weak point that will fail again in 30-50k miles.

• Deleting: A complete tuner + exhaust package costs roughly the same as one dealership repair visit. But once it's done, you never have to buy DEF fluid again, and you never have to replace a heater again.

4. Summary: Your Shopping List

To get your truck out of limp mode today, ensure your cart includes:

1. Tuner with Support: (e.g., Mini Maxx V2)

2. Exhaust: (4" or 5" Downpipe-Back System)

3. EGR Kit: (Recommended to do at the same time for total reliability)

4. Electrical Caps: (To seal your factory plugs)

[Click Here to Shop Our Pre-Configured "No-More-DEF" Complete Packages] - Includes Tuner, Exhaust, and Egr kit.

EGR/DPF/DEF Delete for 2011-2019 Ford 6.7L Powerstroke All-in-One Kit Overview

Suitable for 2011-2019 Ford F250/F350/F450 6.7L Powerstroke diesels

Upgrade Your 6.7 Powerstroke