Tested with factory dampers.
Product Features:
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Epa: N/A
Carb Acknowledgement Required: f
Clearance Item: f
Fits According to Mfg but not guarunteed.
2017 Honda Civic Si
2018 Honda Civic Si
2019 Honda Civic Si
2020 Honda Civic Si