This intake system is engineered specifically for the 2017–2020 Honda Civic Si L4-1.5L turbo, providing a direct bolt-on upgrade that improves engine breathing and throttle response. BMW E46 M3 BMW F8X M BMW G8X M FR-S / BRZ / 86 / GR86 Honda Civic Type R Subaru WRX VB Subaru WRX/STI VA Toyota GR Corolla Toyota GR Supra Toyota Trucks & SUVs.