Obsessed with power? Passionate about performance? So are we!

BorgWarner High-Performance Turbochargers

Our Advanced Aftermarket Product engineers are no strangers to the race track. They sit in the driver’s seat. They spend hours under the hood. Their expertise has sparked innovations for racing and performance enthusiasts around the world.

EFR (Engineered For Racing) and AirWerks Turbochargers

The official turbocharger of the NTT IndyCar Series, BorgWarner’s EFR turbochargers offer an unprecedented combination of advanced technologies. Designed for competitive motorsports, AirWerks Series turbochargers provide durable, scalable, strong boost for enthusiasts who want a more powerful replacement or customizable turbocharger.
EFR & AirWerks Turbochargers

EFR Series Turbochargers

What kind of turbocharger would you build for your high-performance car? The engineers in BorgWarner's Advanced Aftermarket Product group created a wish list of every notable design characteristic. They used materials that had never been combined into an aftermarket turbocharger. EFR delivers quick boost response, powerful performance and reliable durability.

Low-weight Gamma-Ti Turbine Wheel

Low-weight Gamma-Ti turbine wheels and shaft assemblies for quick boost response
Dual Ceramic Ball Bearing Cartridges

Patent-pending dual ceramic ball bearing cartridges for more thrust capacity, durability and turbine efficiency at low expansion ratios
EFR Series Turbochargers
Forged milled compressor wheel (FMW)

Forged milled compressor wheels (FMW) exceeds the material properties of cast aluminum wheels
Stainless Steel Turbine Housing

Stainless steel turbine housing for increased efficiency, improved durability and corrosion resistance

Range of units supporting 225 to 1,100 horsepower per turbocharger

BorgWarner is proud of its long history of pushing the limits of technology

From the first appearance of forced induction motor vehicles at the Indianapolis Motor Speedway® in 1952 to the Mulsanne Straight of Le Mans and the winding roads of Nürburgring, BorgWarner turbochargers have made their mark. And that legacy of excellence is embedded in every genuine BorgWarner turbocharger that we produce today.

Technical Data

BorgWarner’s EFR turbochargers set new world standards in performance, convenient installation and high-tech features:

Power Range

BorgWarner engineers pair compressors and turbines to maintain optimal flow for the fastest response. In addition, a range of turbine housing A/R’s are available so that you can dial in your desired power range based on your application.

The chart below displays the rated peak horsepower capability for each EFR turbocharger (click to enlarge).

Dimensional Reference

The EFR product line is a wide range of performance turbochargers from BorgWarner. EFR contains the highest level of technology currently available to aftermarket customers.

Click on a model below to see each turbocharger’s outline dimensions and its corresponding compressor map.

Ancillary & Support Parts

Download an overview of ancillary and support parts below.
Ancillary Parts

AirWerks® Series Turbochargers

The Passion of Power

AirWerks is an independent aftermarket program from BorgWarner Turbo Systems. This venture is focused on creating exceptionally high engine performance through forced induction technology. Why do the world’s most prominent auto manufacturers select products from BorgWarner Turbo Systems? Simply put, we are the world leader in turbos for high speed, high temperature gasoline engines

AirWerks Series Range
Forged milled compressor wheel (FMW)
Next generation forged milled compressor wheels (FMW)
360 Trust Bearing
360 Thrust bearings for increased reliability at higher turbo pressure ratios

Range of units supporting 120 to 1,875 horsepower per turbocharger

SX, SX-E and SX-R Series Turbochargers, Designed to Race

Developed as a joint effort between BorgWarner and GM’s in-house racing program in 2004, AirWerks turbochargers were designed to create reliable and consistent boost for GM’s Pro FWD (front-wheel drive) sport compact racecars.

The AirWerks SX, SX-E and SX-R incorporate serviceable twin hydrodynamic journal bearings with a high-pressure ratio compressor stage utilizing extended-tip technology and a high-efficiency turbine stage.

SX and SX-E Turbochargers, Designed to Race
AirWerks® S400SX
Record setting Pro-FWD GM Chevy Cobalt, single S400SX4
Team Turbo4 dragster boosted by a single AirWerks S400SX3 turbocharger

Range of units supporting 120 to 1,875 horsepower per turbocharger

Power Range

Faster spool-up at lower engine speeds. Powerful boost for top-end performance.
Innovative extended-tip technology delivers the increased airflow of a larger compressor wheel with the lower mass of a smaller, low-inertia wheel.

AirWerks Application Range

The chart on the right displays the rated peak horsepower capability for each AirWerks turbocharger (click to enlarge).

Dimensional Reference

Engineered specifically for drag racing, pulling and road racing, AirWerks turbochargers have earned a reputation as robust, brute-force boosting devices.

Click on a model below to see each turbocharger’s outline dimensions and its corresponding compressor map.

220-650 HP


320-1,000 HP


900-1,875 HP


600-900 HP


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