aFe Twisted Steel Down Pipe w/ Cats 15-16 BMW M3/M4 (F80/82) L6 3.0L (Turbo) S55
Manufacturer Part Number: 48-36312-1
If you are looking to improve performance, throttle response, and enhance the sound to your vehicle, aFe POWER Twisted Steel headers is the answer. These headers are designed to increase exhaust velocity and increase usable torque, resulting in a more aggressive throttle response and increased passing power. Tuning may be required depending on application.