HKS GTIII-RS Bolt-On Turbo Kit – 360+ HP – Toyota GR86 / Subaru BRZ FA24 (2021+)

Item code: 11001-AT011 | Complete turbo upgrade for maximum performance

Take your Toyota GR86 or Subaru BRZ with FA24 boxer engine (2021+) to a whole new level of performance with the HKS GTIII-RS Bolt-On Turbo Kit .
Developed for direct fitment to the OEM engine without major modifications, this Japanese high-end turbo kit boosts power from the stock ±235hp to 360+hp – while maintaining a wide torque band and excellent reliability.

The kit is based on the compact yet powerful HKS GTIII-RS turbocharger , designed for fast spooling and impressive top-end power, ideal for both street and track use.

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Key Features:

✅ Bolt-On Design – Fits directly onto the FA24 without complex modifications
✅ Up to 360+ hp – With the right supporting mods and ECU tuning
✅ Fast spool – Minimal turbo lag, direct torque from low revs
✅ Complete kit – Includes turbo, manifold, downpipe, pipes and all mounting hardware
✅ OEM Reliability – Designed to maintain engine durability
✅ Made in Japan – Top quality from HKS, the world leader in performance upgrades

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Technical specifications:

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Required supporting mods for 360+ hp:

To utilize the full potential of this kit, HKS recommends:

• Larger intercooler (for lower intake temperatures)

• High pressure fuel pump & injectors

• Complete exhaust system (with high-flow cat or catless)

• Reinforced clutch (for manual versions)

• Custom ECU reprogramming

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Advantages over OEM setup:

• +125 hp extra power while maintaining smooth power delivery

• Better acceleration thanks to higher turbo pressure and airflow optimization

• Flexibility – suitable for both street and track setups

• Huge upgrade options for those who want to go beyond 360 hp

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Application:

• Toyota GR86 – FA24 2.4L – Built in 2021+

• Subaru BRZ – FA24 2.4L – Built in 2021+

• Suitable for both manual and automatic transmissions

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Installation & Adjustment:

The HKS GTIII-RS kit is designed as a bolt-on solution , but requires professional installation and ECU tuning to function safely and optimally.
With the right setup, powers above 400 hp are achievable.

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Delivery time & Availability:

Original HKS Japan product – Made-to-order with an average delivery time of 3–5 weeks .
Supplied as a complete kit including all necessary mounting parts.

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In summary:

• ✅ Up to 360+ hp with supporting mods

• ✅ Fast spool and wide power band

• ✅ Complete bolt-on kit for FA24

• ✅ Premium Japanese HKS quality

• ✅ Suitable for street and circuit

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Upgrade your Toyota GR86 or Subaru BRZ to supercar performance with the HKS GTIII-RS Bolt-On Turbo Kit – the ultimate combination of power, reliability, and Japanese engineering.