HKS 12001-KT004A GT2 S/C Pro Kit w/ ECU for 2013-21 86/BRZ/FR-S FA20

Vehicle Fitment

• 2013-2021 Toyota 86 (ZN6, FA20)
• 2013-2021 Subaru BRZ (ZC6, FA20)
• 2013-2016 Scion FR-S (ZN6, FA20)
• Manual transmission only. Compatibility with automatic transmissions is unconfirmed per HKS.
• Fitment confirmed through 2021. 2022+ coverage unconfirmed at time of listing.

Features

• Complete GT2 supercharger forced induction system with ECU tuning package
• Optimized layout and airflow for 91-octane gasoline performance
• Includes HKS Flash Editor with preset ECU calibration data
• Balanced power increase of ~50% over stock without major lag
• Supports further performance via optional pulley and E85 upgrades
• Includes all necessary brackets, hoses, and hardware for installation
• Precision-engineered roots-style supercharger with intercooler integration
• Designed exclusively for FA20 engines in 86/BRZ/FR-S platforms

Specifications

• Part Number: 12001-KT004A
• Supercharger Type: GT2-7040L positive displacement
• Engine: FA20 2.0L DOHC flat-4
• Fuel: Optimized for 91 octane pump gas
• With ECU Package: Flash Editor included for tuning
• Transmission: Manual only (AT compatibility unconfirmed)
• Power Gain: +80 HP approx. on 91 octane; higher with E85 + upgrades
• Installation requires minor front-end modifications

Included Components

• 1x GT2 supercharger assembly
• 1x Intercooler & piping
• 1x ECU Flash Editor with tuning data
• 1x V-ribbed belt
• All required hoses, silicone couplers, brackets, and hardware
• 1x Installation & instruction manual

Product Description

The HKS 12001-KT004A GT2 Supercharger Pro Kit with ECU Package is a complete forced induction upgrade engineered for the Toyota 86, Subaru BRZ, and Scion FR-S equipped with the FA20 engine and manual transmission. This kit combines a high-efficiency GT2 roots-style blower with a matched intercooler and HKS Flash Editor tuning solution to deliver a significant increase in horsepower and torque over the stock naturally aspirated engine. With a smooth power curve and enhanced midrange performance, this system is ideal for enthusiasts seeking a robust performance upgrade that retains everyday drivability.

Designed by HKS with precision components and comprehensive installation hardware, the GT2 S/C Pro Kit includes everything needed for a professional install. The included Flash Editor comes with preset calibration data optimized for 91-octane fuel, and optional upgrades such as pulley kits and E85 fuel setup can unlock additional power. While the kit is tailored for manual transmissions and requires minor modifications to front end components, it provides a complete performance solution that transforms the driving dynamics of these popular sports coupes.