SKU: SKU: COBBHON0020010
The Stage 1 Power Package Includes the Accessport and High Flow Filter for Honda Civic Si (FC1/FC3) 2017-2020.
The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Honda. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow our staged upgrade path with pre-loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. It's the last engine management solution you'll ever need.