Maximize your Honda Civic Sis performance with the COBB Accessport V3, the worlds best-selling and most versatile ECU upgrade tool. Designed for 20172020 Civic Si models (FC1/FC3), this device lets you unlock hidden horsepower and torque by replacing the conservative factory calibrations with aggressive, performance-oriented maps. Choose from COBBs pre-loaded Off The Shelf (OTS) maps or create custom tunes tailored to your modifications, giving you complete control over your engine.

The Accessport features a large, full-color, high-resolution display that allows real-time monitoring of up to six engine parameters simultaneously. Its fully customizable multi-gauge display can be configured for street, race, or dyno setups, while the device can be mounted using thousands of standard vehicle mounts. With two interchangeable faceplates, you can personalize the look to match your style.

Installation is quick and simplejust plug it into your Civics OBDII port and follow the on-screen instructions. The Accessport also allows for live data monitoring, engine performance logging (up to 10 hours), trouble code reading and clearing, 060 mph times, quarter-mile ETs, trap speeds, and even shift light functionality.

Whether youre after reliable daily performance or full race-day capability, the COBB Accessport V3 provides everything you need to unlock your Civic Sis potentialall while remaining fully 50-state legal when used with OTS maps.

Combined with Panda Motorworks’ responsive, professional E-Tune services, this is the last tuning device youll ever need.