Transform the sound of your B58 Gen 2 OEM turbo with the T51R Mod — a precision-machined compressor housing modification that delivers the aggressive, high-pitched turbo whistle and pronounced spool sound enthusiasts love.
This creates a much louder, sportier turbo sound while fully retaining factory turbo performance, response, and reliability. No power loss, no retune required, and no supporting modifications needed for basic function.
Key Features:
-Aggressive, high-pitched turbo spool and whistle that stands out under boost
-100% compatible with the stock Gen 2 B58 turbo (plug-and-play once installed)
-Maintains full OEM functionality and drivability
-Ideal for street-driven cars where sound enhancement is the goal
Fitment:
B58 Gen 2 engines (typically 2020–2025)
Toyota Supra A90/A91 (2-port and 6-port)
BMW models with Gen 2 B58 (e.g., G20/G21 M340i and related platforms) B58 Gen 1 6 Port
Early Gen 2 vehicles with circlip-style inlets may require an OEM or aftermarket bolt-on turbo inlet for proper fitment
