HKS F-CON V Wiring Harness 2002-2007 WRX / 2004-2007 STI

Upgrade your Subaru WRX or WRX STI’s engine management with the HKS F-CON V Wiring Harness, designed specifically for 2002-2007 models. This premium wiring harness connects seamlessly to your stock ECU without any modifications, enabling advanced fuel and ignition control through the HKS F-CON iS piggy-back ECU. It’s the ideal solution for enthusiasts looking to optimize performance while maintaining reliability.

Featuring weather-resistant connectors and high-quality wiring, this harness ensures durability and a secure connection even in demanding conditions. It supports OBD II data collection for precise tuning adjustments when upgrading intake, exhaust, or boost settings. Compatible with HKS F-CON iS and V-Pro systems, it inherits proven fuel and ignition control functions from previous models while adding enhanced diagnostic capabilities.

Perfect for Subaru WRX and WRX STI owners aiming to maximize engine efficiency and tuning flexibility.