We are here to assure you select the proper product compatible with your setup. Hondata Tune is required for optimal performance. RACE Model REQUIRES a Hondata Reflash Models Available: Civic Non Si w/ Standard MAF Housing (size-59mm) Civic Si w/ Standard MAF Housing (size-61.2mm) Civic Non Si w/ Race MAF Housing (size-75mm) Civic Si w/ Race MAF Housing (size-75mm) Vehicle Applications: Honda Civic 1.5T 2016+ both Si and Non-Si Features: Strong light weight air box Cold air induction box Increase HP with more airflow!