The big difference is the final part of the package. Boasting a third pedal, this isn’t Thrustmaster’s T3PA-PRO setup, but an exclusive new GT Edition Pedal Set. Judging by the wording, the base is plastic while the pedals themselves are metal. They’re adjustable too, at least in the case of the clutch and accelerator, allowing players to modestly tailor the spacing.
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EDIT – As many have pointed out in the comments section, the pedals seem to be the T3PA set after all, with slightly different pads. Thanks to all that let us know!