HKS GTIII-RS BOLT ON KIT ZN6 ZC6 - 2013-2021 Toyota 86 GT86 / Subaru BRZ / Scion FRS

Ready to take your FA20-powered FR-S, BRZ, or 86 beyond naturally aspirated performance? The HKS GTIII-RS Bolt-On Turbo Kit is a thoroughly developed forced induction system built around HKS’s proven GTIII-RS turbocharger. Designed specifically for the 2013–2021 Toyota 86, Subaru BRZ, and Scion FR-S, this kit delivers a serious jump in power while maintaining the engineering quality HKS is known for.

HKS developed the GTIII-RS turbine as an ideal match for the 2.0L FA20 engine, using a dedicated turbo housing and supporting components designed through HKS’s extensive turbocharger experience. The kit is available in both catted and catless configurations, making it flexible for different build goals and use cases.

Key Features

• GTIII-RS Turbocharger: HKS turbocharger assembly matched to the FA20 engine for strong response and high-output capability.
• Complete Bolt-On Turbo System: Includes turbocharger, manifold, intercooler, piping, intake components, oil/water lines, and required hardware.
• Catted or Catless Options: Choose between extension with catalytic converter or catless extension depending on your setup.
• Stock or Built Engine Compatible: HKS notes this kit can be used on stock engines or tuned/built engines with proper supporting modifications.
• Front-Mount Intercooler Included: Helps manage charge air temperatures under boost.
• High Power Potential: HKS reports up to 342ps on a stock engine test vehicle and up to 454ps on a 2.1L built engine test vehicle.
• HKS Engineering: Developed using HKS turbo technology, testing, and vehicle-specific design.

Why We Like It

This is one of the big-name turbo solutions for the first-generation 86/BRZ platform. The FA20 responds well to forced induction when properly supported, and the HKS GTIII-RS kit gives you a complete, proven foundation instead of piecing together a setup from scratch. For owners who want real power with trusted Japanese engineering, this kit is a serious option.

Available Configurations

• 11001-AT005: Extension with catalytic converter
• 11001-KT001: Catless extension

Performance Data

Results below are from HKS in-house testing. Actual output may vary based on vehicle condition, supporting modifications, fuel, tuning, dyno type, and environmental conditions.

• NA Stock: 136kW / 185ps @ 6800rpm
• Stock Engine + GTIII-RS: 251kW / 342ps @ 6600rpm
• 2.1L Engine + GTIII-RS: 334kW / 454ps @ 6400rpm

Torque Data

• NA Stock: 199N-m / 20kgf-m @ 4100rpm
• Stock Engine + GTIII-RS: 391N-m / 40kgf-m @ 4100rpm
• 2.1L Engine + GTIII-RS: 536N-m / 55kgf-m @ 4600rpm

What’s Included

• GTIII-RS turbocharger assembly with actuator
• Oil and water piping components
• Air cleaner and suction pipe
• Front-mounted intercooler
• Intercooler piping
• Exhaust manifold
• Catless extension for 11001-KT001
• Extension with catalytic converter for 11001-AT005
• Insulator cover and insulator sheet
• Gaskets, brackets, bolts, and required installation components

Required Supporting Parts & Notes from HKS

• Reinforced fuel components, such as injectors, are required.
• Pressure sensor is required separately.
• Engine management components are not included.
• ECU tuning / resetting is required.
• Vehicle modification is required for installation. Reference HKS installation documentation before purchase.
• Reinforced clutch is required to avoid clutch disk slippage caused by the significant torque increase.
• HKS strongly recommends installing an oil cooler to protect the engine.
• Recommended oil cooler: HKS 15004-AT011, sold separately.

HKS Test Vehicle Specs

Stock Engine Test Vehicle

• LEGAMAX SPORTS
• FLASH EDITOR
• EVC6 IR
• 440cc injectors
• LA CLUTCH

2.1L Engine Test Vehicle

• 2.1L piston, connecting rod, crankshaft, camshaft, and gasket
• SUPER FIRE RACING M45HL
• Hi-POWER Muffler
• Prototype front pipe and prototype catless center pipe
• Reinforced fuel components
• FLASH EDITOR
• EVC6 IR

Installation & Tuning Notes

• Professional installation is strongly recommended.
• Proper engine management and tuning are required for safe operation.
• Supporting fuel, clutch, cooling, and monitoring upgrades are required or strongly recommended depending on power goals.
• Verify all oil, coolant, intake, exhaust, and intercooler connections before startup.
• Follow HKS installation instructions and break-in/check procedures carefully.

Compatibility & Disclaimers

Designed for 2013–2021 FA20-powered Scion FR-S, Toyota 86 / GT86, and Subaru BRZ applications. This is a forced induction upgrade that requires proper supporting modifications, tuning, installation, and maintenance. Power figures are based on HKS in-house testing and may vary. Always verify emissions legality and local regulations before installation, especially when selecting catted or catless configurations.