Dual Stage 2 tuning files for the Porsche Cayenne 985 4.8 V8 DFI Turbo, optimised for both high-octane and regular pump fuel. This complete binary targets sharper throttle, optimized torque mapping, and boost control refinement via Siemens SDI8 ECU. Ideal for performance driving under varying fuel quality. All calibrations are dyno-tested and checksum-corrected using official WinOLS plugin.