This New Porsche 911 Performance Kit Costs Almost as Much as the Car Itself
Manthey Racing, in which Porsche owns a majority stake, has been releasing upgrade kits for the marque’s road cars for the ...
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Manthey's GT3 RS Kit Costs as Much as a Whole 911 Carrera
For all that, you get a huge rear wing and all kinds of aero upgrades to make your GT3 RS even more track capable.