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Emission Systems on the 2011-2019 6.7L Powerstroke

Ford designed the 6.7L to meet the 2010 federal diesel emissions rules. Every 2011-2019 truck, including 2011 and 2012 models, left the factory with a DPF and DOC assembly, an EGR system, and an SCR system that uses DEF. No year in this generation skips the DEF system.

DPF and DOC Assembly

The Diesel Particulate Filter traps soot from combustion. The Diesel Oxidation Catalyst (DOC) works alongside it to burn off hydrocarbons. Together they are a major source of exhaust backpressure on the 6.7L. The truck runs regen cycles to burn off stored soot, and each cycle adds fuel, raises EGTs, and loads the turbo.

EGR Valve and Cooler

The Exhaust Gas Recirculation system sends part of the spent exhaust back into the intake manifold to lower combustion temperatures and cut NOx. The tradeoff is hot, soot-laden gas on the intake side. The EGR cooler, a heat exchanger that runs coolant beside that exhaust, is a known failure point under thermal stress. A cracked cooler can put coolant into the intake, which brings hydrolock risk and a repair bill in the thousands.

DEF and SCR System

The Selective Catalytic Reduction system injects Diesel Exhaust Fluid into the exhaust stream to break down NOx. It adds a DEF tank, a dosing pump and injector, and NOx sensors, with the SCR catalyst downstream of the DPF. Frozen lines, crystallized injectors, and false level warnings are common failure points in cold climates.

Year Breaks to Know

All three systems are present on every 2011-2019 truck. What changes by year is kit fitment. EngineGo kit listings group these trucks as follows:

Model Years Factory Emissions Hardware EngineGo Kit Notes
2011-2014 DPF/DOC, EGR, SCR/DEF Many kits list 2011-2014 together with 2017-2019. EGR kits for these years use a flow-through plate design.
2015-2016 DPF/DOC, EGR, SCR/DEF Listed as their own group. EGR kits for these years include a coolant bypass.
2017-2019 DPF/DOC, EGR, SCR/DEF Many kits list these years with 2011-2014. Confirm tuner support for your exact year, since later trucks can carry tighter ECU security.

Match the kit to your exact year, not just the engine badge. A kit built for a 2014 truck is not a safe assumption for a 2015. This guide does not cover 2020 and newer trucks, which use different parts.

What a Complete Delete Kit Includes for 2011-2019

Kit contents vary by listing, so read What's in the Box on the product page before you order. A complete all-in-one kit typically covers the parts below.

DPF Delete Pipe

A mandrel-bent pipe replaces the DPF and DOC assembly from the turbo outlet back. Listings show diameter, material, and clamp hardware. A 4-inch pipe suits stock and lightly modified setups, and a 5-inch pipe fits builds that move more air. Versions with or without a muffler are available.

EGR Delete Hardware

Block-off or flow-through plates replace the EGR valve and cooler connections. On 2015-2016 trucks, the kit also includes a coolant bypass so coolant keeps moving through the block once the cooler is removed. The 6.7 Powerstroke EGR delete kit collection covers these options.

DEF and SCR Support

Because SCR is on every year, a complete setup has to address DEF dosing and NOx sensor inputs, which happens in the tune. Not every base kit covers it, so confirm the listing says so.

Handheld Tuner

The tune is not optional. Hardware removed without a matching calibration sends the truck into limp mode. Many all-in-one kits include a handheld OBD-II tuner, such as the Mini Maxx V2. Some exhaust and EGR kits ship without one, so check whether your listing includes a tuner. Compare options in the 6.7L Powerstroke tuner collection.

CCV Reroute (Recommended Add-On)

The Closed Crankcase Ventilation system routes oil vapor back into the intake, where it coats the intercooler, intake manifold, and compressor wheel with carbon. A reroute kit sends that vapor to a catch can instead. Base kits do not always include it.

How to Choose the Right Kit for Your Model Year

Start with the table above, then confirm the listing names your exact year. For 2015-2016 trucks, check that the coolant bypass is included with the EGR hardware. For 2017-2019 trucks, confirm the tuner supports your year.

Not sure which group your truck falls in? Send your year, cab, bed, trim, and current exhaust setup to cs@enginego.com before you order.

Installation Overview

A full install on a 2011-2019 6.7L Powerstroke is a moderate-difficulty job. Plan for 4 to 8 hours on a first attempt with basic hand tools, a floor jack, and jack stands. Let the exhaust cool completely, support the truck on stands rated for its weight, and wear eye protection and gloves. Professional installation is recommended if you are not comfortable working under a heavy-duty truck.

Key Steps

  1. Flash the tune first. Plug the handheld tuner into the OBD-II port and load the calibration before any hardware comes off. This prevents limp mode the moment the sensors lose signal.
  2. Remove the DPF/DOC assembly. Unbolt the factory exhaust from the turbo outlet, disconnect the EGT and pressure sensors, and drop the DPF housing. The new pipe uses factory-style mounting points.
  3. Remove the EGR cooler and valve. Drain coolant as needed, disconnect the coolant lines, and remove the valve and cooler. Fit the plate hardware, torque to spec, and route the coolant bypass if your kit includes one.
  4. Address the DEF and SCR hardware. Follow the instructions in your kit for your model year. The tune handles the sensor and dosing logic on the software side.
  5. Reconnect and leak-check. Refill and bleed the coolant system, then inspect every joint for exhaust leaks, coolant seeps, and proper clamp engagement before the first start.

Common Install Mistakes

The most common error is running the tune after the hardware is off, which triggers limp mode. Skipping the coolant bypass on a kit that calls for it and under-tightening exhaust clamps are close behind.

What to Expect After Installation

Less restriction changes how the truck feels. Owners commonly describe quicker throttle response and lower exhaust temperatures under sustained towing. Some also report better fuel economy, since the truck stops injecting extra fuel for regens.

Results vary by truck, tune, kit, and how you drive and tow. EngineGo does not promise a set horsepower, torque, or MPG gain, so ask your tuner for dyno data from a matching setup.

Before You Buy

Public roads and inspection. Many states run OBD-II checks. A truck with its emissions hardware removed will usually fail them, because the readiness monitors do not complete. A truck that needs a state inspection to stay registered is not a fit for these kits.

Warranty. Modifying the emissions system can affect powertrain warranty coverage. Confirm your coverage status with your dealer first.

Returns. EngineGo accepts authorized returns within 45 calendar days from the date the product is received, and items must be unused, uninstalled, unmodified, and in original condition. Tuner products and bundles that include a tuner can carry stricter return terms, so read the return policy before you order.

What a delete does not fix. The 6.7L uses a Bosch CP4.2 high-pressure fuel pump that relies on diesel fuel for its own lubrication. Metal debris from a failing pump can travel through the whole fuel system, and the repair is expensive. Removing the emissions stack does nothing for this part. Keep fuel filters on schedule, run quality fuel, and ask a diesel shop about fuel-system protection for your truck. Oil, coolant, and filter intervals do not change after a delete.

FAQs

Do I need a tuner if I'm only doing a DPF delete?

Yes. Removing the DPF disconnects the pressure sensors and EGT probes, and without a compatible tune the PCM sets codes and can drop the truck into limp mode.

Will a kit built for my 2014 truck fit my 2015?

No. EngineGo lists 2015-2016 trucks as their own group, with different kit hardware. Use a kit validated for your exact year and let the vehicle selector confirm fitment.

Can I run these kits on a truck I drive on public roads?

These products are intended for off-road, race, or non-public-road use where permitted. Federal law prohibits removing emissions controls on road vehicles, and states add their own rules. Check all laws before purchase and installation.

What happens if I skip the DEF work on a 2011-2019 truck?

The SCR system keeps running and sets codes tied to missing DPF pressure data and poor NOx conversion. Expect check engine lights and possible limp mode. A complete setup addresses the DPF, EGR, and DEF systems together. The 6.7 Powerstroke DPF delete guide shows how the systems interact.

Check Fitment Before You Order

Send your year, cab, bed, trim, and current exhaust setup to the support team at EngineGo and get a fitment check before you buy. Support is available Monday to Friday, 9 AM to 6 PM PT.