HKS ECU FREE HARNESS / FA20 - 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86 (ZC6/ZN6)

HKS ECU FREE HARNESS / FA20

Product Overview: HKS ECU FREE HARNESS / FA20 is an electronic performance component intended to monitor, control, or modify a specific vehicle/engine function. This listing is structured around the exact HKS product/SKU so shoppers can match the component to the intended vehicle or build without relying on a generic product-family description.

Vehicle Application: 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86 (ZC6/ZN6)

Driver Benefit: Application-specific electronics can give the driver or tuner greater control over performance-related systems and help integrate supporting modifications.

Recommended Use: Best suited to modified vehicles where the relevant system requires additional control, monitoring, or calibration beyond the factory configuration.

Technical & Fitment Notes

• Use the HKS part number/SKU as the primary reference when confirming exact configuration and installation requirements.
• Professional installation is recommended when the component affects engine operation, suspension geometry, braking, fuel delivery, or other safety-critical systems.
• Original catalog note: Vehicle Application: 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86 (ZC6/ZN6) HKS ECU FREE HARNESS / FA20 - 2013-2020 Subaru BRZ / Scion FR-S / Toyota 86 (ZC6/ZN6)

Fitment and specifications can vary by HKS part number, model year, trim, transmission, drivetrain, and market. Confirm the SKU and application before ordering, particularly on modified vehicles.