Built for the 2005 and newer Mustang GT owner who wants serious, reliable power from a proven twin-turbo platform, this Garrett Turbo GT Tuner Twin Turbo Kit brings factory-level fitment together with genuine Garrett ball bearing turbo technology. It’s the choice for enthusiasts who want a bolt-on foundation capable of scaling from a mild street build to a serious high-horsepower setup, without sacrificing the durability and spool characteristics that make Garrett turbos the benchmark in performance forced induction.
Specifications
- Bearing Type: Ball bearing
- Wastegate Configuration: Internally wastegated
- HP Capability: 600 to 800 HP (depending on turbo choice)
- Engine Application: 4.6L V8
Performance & Application
This twin turbo system is engineered specifically for the 4.6L V8 found in the 2005 and newer Mustang GT, giving builders a direct path to significant horsepower gains without reinventing the wheel. The internally wastegated, ball bearing turbos are selected for efficiency, delivering strong response characteristics suited to street and performance driving alike. Depending on the turbo choice selected within the kit, output can be tailored across a wide power band, making this system equally suited to a daily-driven Mustang GT or a dedicated high-horsepower build. Once paired with intercooling and a tuning solution, this kit forms the core of a complete forced induction package.
Compatibility & Fitment
- Ford Mustang GT (2005 and newer)
- 4.6L V8 engine
What’s Included
- Ball bearing, internally wastegated turbos
- High flow cast manifolds
- Intermediate downpipes (bolt up to the stock cat or any aftermarket H pipe)
- All hardware required for installation
Frequently Asked Questions
- What HP can this Mustang GT twin turbo kit support?
- The kit is capable of supporting 600 to 800 HP, depending on the turbo choice selected.
- Is this a ball bearing or journal bearing turbo kit?
- This kit uses highly efficient ball bearing turbos.
- Are these turbos internally or externally wastegated?
- The turbos included in this kit are internally wastegated.
- Do the downpipes work with my existing exhaust setup?
- The intermediate downpipes bolt up to the stock cat or any aftermarket H pipe.
For 2005 and newer Mustang GT owners ready to move into serious twin-turbo territory, this Garrett-powered kit delivers the proven hardware and scalable power range needed to build with confidence.

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