The SPE Emperor is a bolt-in replacement turbocharger for the factory GT37 on 2020-2024 Ford F-250, F-350, and F-450 Super Duty with the 6.7L Power Stroke V8 Turbodiesel. Available in three compressor configurations - S363, S366, and S370 - in journal bearing or ball bearing variants.

SPE Emperor Turbo System - 2020+ 6.7L Powerstroke

The Emperor retains all factory connection points: original mounting location, exhaust manifold flanges, and intercooler piping. No custom fabrication, adapter plates, or intercooler piping changes required.

The factory GT37 is calibrated for stock power output and emissions compliance. On tuned trucks targeting 450+ HP, the GT37 becomes the restriction - increased spool lag, compressor efficiency losses, and elevated EGTs under load.

A custom tune from a qualified diesel tuner is required to safely maximize the Emperor's output and maintain EGTs within safe limits under sustained load.

For builds targeting 500+ RWHP, pair the Emperor with the SPE Regulated Return Fuel System to prevent fuel starvation on the factory CP4.2 pump.

Browse all 2020+ 6.7L Powerstroke turbo options at 6.7 Powerstroke (20+) Turbochargers & Exhausts.

Variants

• S363 - entry-level compressor, best suited for tow-focused builds up to 500 RWHP
  
• S366 - mid-range compressor, balance of spool and peak airflow for 500-600 RWHP builds
  
• S370 - largest compressor, maximum airflow for 600+ RWHP builds with supporting fuel upgrades

Each compressor size is available in journal bearing (more affordable) or ball bearing (faster spool response).

Fitment

Fits 2020-2024 Ford F-250/F-350/F-450 Super Duty with the 6.7L Power Stroke V8 Turbodiesel (3rd gen, MY2020+). Does not fit the 2011-2019 6.7L Powerstroke (2nd gen).

For 2011-2019 6.7L Powerstroke turbo upgrades, see 6.7 Powerstroke Turbochargers & Exhausts.

SPE  Part  # - Choose S100231, S100232, S100233, S100234, S100235, S100236

SPE 2020+ 6.7L Powerstroke Emperor Turbo System

The SPE 6.7L Emperor Turbo System is a 100% drop-in turbo system for the
2020+ 6.7L Powerstroke.

The SPE 6.7L Emperor Turbo Kit is a 100% drop-in turbo system for the 2020+ 6.7L Powerstroke. This system is the perfect solution for the enthusiast wanting the reliability of a non-VGT turbo or the ability to support more power with their 6.7L Powerstroke.

Due to the way SPE has designed the turbo system it is an effortless upgrade/replacement turbo option that even a novice can install. In fact, the hardest part is removing the factory turbo.

This turbo system does NOT require any extra components*. It can be used as a 100% drop-in replacement or as an upgrade. It uses the factory driver’s side manifold and an included, SPE designed, aftermarket passenger side manifold.

The system is capable of supporting stock power levels all the way up to 800hp.
If you're not sure which turbo & fueling options pair well check out this LINK.

It is now also available with a ball bearing turbocharger in an s363, s366, & s370. When driving with the cartridge ball bearing turbocharger you will find an exceptionally crisp and strong throttle response. We are seeing 15% faster spool up than traditional journal bearings across the board on the three available sizes we offer. This also helps with lowering EGTs and intake temps. For more information check out the following link- https://www.spediesel.com/blogs/blog/introducing-the-spe-s300-ball-bearing-turbocharger.

Next Level Design

When SPE went into developing this system they wanted to eliminate the problems that currently plague kits on the market; one being the turbo up pipes. All other non-VGT turbo kits on the market require one or two custom up pipes. This seems great when it’s sold to the customer as if though its an upgrade. Unfortunately, it is not, in our opinion. The problem with custom up pipes is the fact that they are a wear item. The bellows that allow for expanding and contracting are the actual wear item. Metal can only expand and contract so many times before cracking. When this happens to an aftermarket kit (not an if but when) you have to get another set of uppipes. Now this is where the main problem comes into play, availability. Even in the best circumstances, 1-2 days can really hinder the customer with a $50,000+ immobile paperweight.

SPE has removed this issue from the equation by eliminating the need for it. The SPE Emperor Turbo System still utilizes a bellow in the factory driver side up pipe which is still retained. Thus creating a system that only has one up pipe and it can be replaced with a factory part available via a Ford dealership or auto parts store.

The main hurdle in the design was doing all of the design work and still keeping it drop in capable all while still utilizing the factory intake manifolds. This helped in keeping the kit cost down for the customer just wanting to only replace the turbo and not all of their intake piping.

The SPE Emperor Turbo System also utilizes a standard T4 Flange on the exhaust manifold. The kit was designed to use the exhaust manifold allowing you to change turbo size without having to change to different up pipes even if moving to a different frame turbo size altogether such as when going from an s300 to an s400. This is unlike most other comparable kits on the market.

This system was also designed with modularity in mind. SPE wants our customers to be able to start with the basic system if they choose and be able to upgrade later with minimal cost and waste.

Key Components

• Exhaust Manifold- Cast out of 600 series ductile iron. SPE’s design retains the original Hot-V principles of getting the heat and exhaust flow to the turbo as quickly as possible. SPE designed the manifold to operate with dual-volute T4 turbos. This manifold also has exhaust pulse optimization based on runner lengths and engine firing order, one major key to great turbo spool up. A factory EGT bung is also cast in.
• Turbocharger - The SPE turbos were designed in-house and are upgraded versions of the popular S300 series. Weak points were addressed including much higher quality castings, bearing material, and machine work, and the end result is an even stronger, better design. They are currently available in 3 versions a 63mm, 66mm, and 70mm compressor inlet size. All models will have an 80/73 turbine. It also has received slight design changes from the normal s300 variant to be optimized for the 6.7L engine to help with back pressure and spool up. Almost all the parts are compatible with the standard s300 turbos. Including turbine housings and rebuild kits, to help with serviceability and longevity.
• Pedestal - The Pedestal is hard anodized to minimize oxidation and corrosion common on raw aluminum. When bolted to an iron block this helps to also minimize leaks over time. The oil return is a form fit silicone hose allowing for easy turbo installation and is much more reliable than a steel flex drain. The drain is also a no fuss push-in design with no fittings to tighten or worry about.

Features and Benefits:

• 100% Bolt On With No Additional Components Needed
• No Modifications Necessary
• Easy Installation — Check Out the Install Video HERE
• Solution for VGT Turbocharger Failures
• Fits Both Standard Pickups (Wide Frame) and Cab & Chassis Trucks
• Available in 3 Sizes — S363, S366, & S370
• Available in journal or ball bearing
• Flexible Design to Upgrade Later with Minimal Changes to What You Have
• Supports Power Levels Up to 800hp (Depending on Turbo Size)
• Designed for Towing, Street Driving, and Racing

VEHICLE COMPATIBILITY:

• 2020+ Ford Super Duty F-250/F-350/F-450/F-550 6.7L Powerstroke
• Fits both standard (wide frame) pickups and cab & chassis

NOTES:

*The base system is designed to work with a 2020+ truck.
**Tuning may be required.
***Designed to work with SPE 6.7L based Emperor engines
****Intake piping kits are sold separately. The piping kit is NOT necessary. The Emperor Turbo System can be ran with the factory plastic upper intake kit.
*****Aftermarket downpipe recommended for easier installation.

Previous SPE Part Number: SPE-67SETS

Frequently Paired Products

SPE Regulated Return Fuel System - Recommended companion for builds targeting 500+ RWHP. Prevents fuel starvation on the factory CP4.2 at high load.

Browse all 6.7 Powerstroke (20+) Fuel System options for supporting fuel upgrades.

Custom tuning required - see all 6.7 Powerstroke (20+) Tuning options.

Full catalog of 2020+ 6.7L parts at 6.7 Powerstroke (20+) Parts.