Chiptuning / Softwareoptimierung: GMC Sierra 6.6 Duramax 365 PS (1999 - 2007) f98 Boost the power of your

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Original STAGE 1 Performance 125 hp 180 hp +55 hp torque 330 Nm 420 Nm +90 Nm Please note: The performance values ​​indicated are average values ​​and may vary depending on the vehicle

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Chiptuning / Softwareoptimierung: GMC Sierra 6.6 Duramax 365 PS (1999 - 2007) f98 Boost the power of yourBoost the power of your GMC Sierra 6. 6 Duramax 365 hp (1999 2007) with a precise chip tuning solution from Stefanel Performance. Our EVC certified developers ensure that your vehicle's essential engine protection functions remain active, while you can rely on noticeably improved performance. Original STAGE 1 Power 365 hp 395 hp +30 hp Torque 894 Nm 945 Nm +51 Nm Please note: The stated performance values are averages and may vary depending on the