aFe Power Twisted Steel Long Tube Header & Connection Pipes (Street Series) 01-16 Nissan PatrolIf 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. Twisted Steel 304 Stainless Steel Street Series Performance Package Nissan Patrol (Y61) 02 16 I6