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This cap fits most Honda engines
Koyo leads the radiator industry in quality
All performance modifications and installations are at the customers own risk
Connects via OBDII diagnostic port
Tested and compatible with ethanol fuels up to E100
Mishimoto 17+ Honda Civic Si Performance Intake Kit Brand_Buddy Club This cap fits most HondaOur performance air intake for the 2017+ Honda Civic Si is finally here! This intake was engineered specifically for the new turbocharged Civic and is a direct fit modification that will provide enhanced engine performance and improved throttle response. Plus, it will add a little flair under the hood! This intake has a noticeably unique and aggressive tone under acceleration and boost. The steel wire reinforced silicone intake arm improves airflow
