Cobb Stage 1 Power Package - Honda Civic Si (FC1) Coupe/Sedan MT 2017-2020
Emissions
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.
Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending. Once testing is complete with California, and an EO number is issued, this product will be updated to 50-state legal status.Description
The Stage 1 Power Package Includes the Accessport and High Flow Filter for Honda Civic Si (FC1/FC3) 2017-2020.
CLICK HERE FOR MAP NOTES, DYNO CHARTS AND POWER GAINS
Interactive dyno chart: hover or tap lines for HP and TQ percentages.
Why?
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.
Features
- HON-002 Accessport V3
- High Flow Filter
Note: Fits Coupe & Sedan models with manual transmission only.

Product Information
Product Information
Shipping & Returns
Shipping & Returns







Cobb Stage 1 Power Package - Honda Civic Si (FC1) Coupe/Sedan MT 2017-2020
Cobb Stage 1 Power Package - Honda Civic Si (FC1) Coupe/Sedan MT 2017-2020
Emissions
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.
Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending. Once testing is complete with California, and an EO number is issued, this product will be updated to 50-state legal status.Description
The Stage 1 Power Package Includes the Accessport and High Flow Filter for Honda Civic Si (FC1/FC3) 2017-2020.
CLICK HERE FOR MAP NOTES, DYNO CHARTS AND POWER GAINS
Interactive dyno chart: hover or tap lines for HP and TQ percentages.
Why?
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.
Features
- HON-002 Accessport V3
- High Flow Filter
Note: Fits Coupe & Sedan models with manual transmission only.

Original: $745.00
-65%$745.00
$260.75Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Emissions
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.
Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending. Once testing is complete with California, and an EO number is issued, this product will be updated to 50-state legal status.Description
The Stage 1 Power Package Includes the Accessport and High Flow Filter for Honda Civic Si (FC1/FC3) 2017-2020.
CLICK HERE FOR MAP NOTES, DYNO CHARTS AND POWER GAINS
Interactive dyno chart: hover or tap lines for HP and TQ percentages.
Why?
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.
Features
- HON-002 Accessport V3
- High Flow Filter
Note: Fits Coupe & Sedan models with manual transmission only.

























