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. Engineered for performance and reliability, this system enhances engine efficiency by increasing pump gas octane by up to 25 points, allowing for more aggressive tuning and increased power output.