The NRW Design Single Turbo Velocity Stack is engineered for high horsepower BMW S58 builds running custom single turbo setups. Available in both 4 inch and 5 inch inlet sizes, this precision CNC machined aluminum velocity stack is designed to optimize airflow, improve turbo response, and support maximum intake efficiency. Each unit features an integrated 1/8 NPT port and 12AN intake port, allowing seamless integration for auxiliary fueling, vacuum reference, or crankcase ventilation configurations depending on your setup. Manufactured from billet aluminum, this velocity stack delivers strength, durability, and a clean motorsport appearance suited for serious performance applications. Available Sizes 4 inch Single Turbo Velocity Stack 5 inch Single Turbo Velocity Stack Both options share the same premium construction and integrated port configuration. Select the size appropriate for your turbocharger and intake piping setup. Features and Benefits CNC machined billet aluminum construction Designed for BMW S58 single turbo applications Integrated 1/8 NPT port Integrated 12AN intake port Improves airflow transition into turbo inlet Supports high horsepower builds Clean motorsport inspired design Precision machining for reliable fitment ** This item is not eligible for return **
