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The Forced Performance HD366 street turbocharger is a street-focused unit intended for users seeking a balance of responsiveness and flow. It uses a T4 turbine flange and a .91 A/R housing to shift the curve toward stronger midrange power while retaining usable top-end potential, making it suitable for modified street engines and custom turbo plumbing where predictable spool and airflow matter.
Forced Performance HD366 Street Turbocharger T4 .91 Turbine Housing
