The Black Mamba turbo outlet and throttle inlet pipe kit is a direct-fit upgrade for the S58 engines found in the BMW M3 G80, M4 G8X, X3M F97, and X4M F98. Designed to replace the factory plastic and rubber pipes that connect the turbochargers to the throttle body (intercooler), this kit is constructed from high-quality aluminum and reinforced silicone to handle extreme pressures without risk of failure. Offering a 27% increase in airflow, it supports setups up to 1000hp.Direct bolt-on installation 27% less restrictive than OEM High-quality aluminum construction Multi-layer silicone hoses for durability Integrated port for methanol injection Complete mounting kit included Assembly instructions provided Lifetime warranty.