Is a Manthey Performance Kit really worth £100k on top of a GT3 RS? Matt has the time of his life finding out... It feels ...

The Porsche 963 has been given a weight break and power increase for next weekend’s Motul SportsCar Grand Prix at Road America, as part of the latest Balance of Performance adjustments.

X, a 4x4 pickup with 118,000 miles, features a rebuilt title, CPX injection pump, Navycuda tune with delete kit, and tri-fold hard cover, ideal for buyers seeking a modified, trail-ready truck.

When Porsche unveiled the GT1 race car, about 25 buyers wanted a road version. But after the company told them it would have only a normally aspirated 300-hp engine, they lost interest.