The result is increased horsepower, torque, and improved throttle response, making it an ideal choice for enthusiasts seeking performance gains and a more aggressive engine sound. 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.