This Stage 1 Intake System is a perfect fit for all 2016 - 2021 Civic 1.5T models, including Si, CVT 6MT, RHD, and international variants.
Overview
STAGE 1 INTAKE INSTALL GUIDE
Important Notes:
- No ECU calibration is needed.
Technical Notes:
The PRL Motorsports Stage 1 Intake System offers excellent performance gains at an affordable price. It replaces the factory's corrugated inlet hose with a better - looking, smoother - flowing 4 - ply silicone hose and a high - flow air filter. The factory hose's pleats disrupt air flow, limiting power and throttle response.
Performance Gains:
- Get 7+ horsepower across the power - band.
Kit Includes:
- (1) High - Flow Drop - In Oiled Panel Air Filter
- (1) 4 - Ply Silicone Intake Hose Kit



This intake system is designed for 2016 - 2021 Honda Civic 1.5T models. To use it, first, remove the corrugated factory inlet hose. Then, install the provided 4 - ply silicone intake hose kit and the high - flow drop - in oiled panel air filter. No ECU calibration is required, so you can start using it right away. When it comes to maintenance, regularly check the air filter. If it's dirty, clean or replace it according to the manufacturer's instructions. Keep an eye on the silicone hose for any signs of wear or damage. If you notice any issues, get it replaced promptly to ensure the system continues to work effectively and maintain the 7+ horsepower gain across the power - band.