The HKS F-CON iS is a state-of-the-art piggy-back ECU designed specifically for advanced engine management in your vehicle. Tailored for seamless integration, it connects effortlessly to your stock ECU using a vehicle-specific harness—no modifications needed. This innovative unit builds upon the successful features of the previous F-CON SZ model, offering improved fuel and ignition management alongside exciting new functionalities.
Users have praised the F-CON iS for its ability to adapt to modifications such as upgraded intake and exhaust systems, as well as changes in boost levels. The added OBD II functionality allows for fine-tuning and correction based on stock closed-loop settings, making it an essential tool for optimizing performance. Customers appreciate the straightforward installation process and the noticeable improvement in engine responsiveness.
Other Part Numbers:
HKS #hks42999-AK001
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.
HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.