It was only yesterday when we saw an undisguised Lexus GS F and now the car has returned in a new set of spy photos.

The car seen in these latest spy pics is a bit different than the GS F we saw yesterday because it's actually a test mule of the regular GS with a few modifications. The final look of the car will show several carbon fiber bits and pieces part of a more aggressive body kit, together with a quad exhaust and beefy alloys.

If we were to believe recent rumors, power of the 2014 Lexus GS F will be provided by a 5.0-liter V8 engine delivering 465 HP (342 kW) which doesn't sound like a lot compared to its German rivals. The hotter GS will also come with other upgrades such as high-performance brakes, a sport-tuned suspension and revised interior trim.

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