Turbo Kit, Garrett G25-550, Focus ST 2.0L Ecoboost, Stock Location, Bolt On, .72 A/R, Ext. Wgt.

The Garrett G25-550 turbo kit is engineered specifically for the Ford Focus ST 2.0L Ecoboost, delivering a genuine bolt-on solution for owners who want serious power without relocating hardware or fabricating custom plumbing. This stock location, externally wastegated kit is built for enthusiasts who demand big power from a compact, high-response frame. It’s the choice for Focus ST owners ready to move beyond factory turbo limitations without sacrificing daily drivability.

Specifications

• Compressor Wheel Inducer: 48mm
• Compressor Wheel Exducer: 60mm
• Compressor Wheel Trim: 65
• Compressor Housing Inlet: 3 Inch Diameter
• Compressor Housing Outlet: 2 Inch Diameter
• Compressor Housing A/R: .70
• Turbine Wheel Inducer: 54mm
• Turbine Wheel Exducer: 49mm
• Turbine Wheel Trim: 84
• Turbine Housing A/R: .72
• Turbine Wheel Material: Mar-M Alloy, 1050 Celsius Rating
• HP Capacity: 550HP

Performance & Application

Built around Garrett’s Ultra High Flow G-Series Compressor Wheel and an evolutionary aero G-Series Turbine Wheel, this kit is designed for Focus ST owners pushing toward the upper limits of what a small frame turbo can deliver. The Mar-M Alloy turbine wheel construction allows the unit to withstand extreme heat, supporting sustained high-output driving without sacrificing durability. This kit suits enthusiasts seeking a substantial power increase while retaining the factory turbo location for a cleaner, more straightforward install.

Compatibility & Fitment

• Ford Focus ST 2.0L Ecoboost
• Stock location bolt-on installation

What’s Included

• -4AN oil feed fitting
• -6AN coolant/water fittings

Frequently Asked Questions

What HP can the Garrett G25-550 support?

This turbo kit is capable of supporting 550HP from its compact G-Series frame.

What is the A/R ratio on this turbo kit?

The kit uses a .72 A/R turbine housing, with a .70 A/R compressor housing.

What material is the turbine wheel made from?

The turbine wheel is constructed from high heat resistance Mar-M Alloy, rated to 1050 Celsius.

What vehicles is this turbo kit compatible with?

This kit is designed as a bolt-on, stock location solution for the Ford Focus ST 2.0L Ecoboost.

For Focus ST owners who want a proven, bolt-on path to 550 horsepower without leaving the stock turbo location, the Garrett G25-550 delivers the flow, heat resistance, and engineering pedigree to get there.