This Stage 1 + Decat tuning file for the 2016 Honda Civic 1.5 Turbo unlocks extra power and sharpens the throttle response by eliminating restrictive catalyst routines. Developed for the Keihin ECU (SW: 37805-5AF-H110), this complete binary enhances low-end torque and turbo spool while maintaining safe fueling and boost control. Compatible with PCM Flash tools for straightforward flashing.