Manthey Racing is responsible for some of Porsche’s most successful racers, and the record-breaking GT2 RS MR. Now though, the German firm has turned its attention to the 718 Cayman GT4 ...

Porsche has announced U.S. availability and pricing for the Manthey Racing kit for the 911 GT3 RS. At $116,160 before taxes and dealer installation costs, the kit is far from cheap. Adding nearly ...

And a glorious swan song it is. The 718 Cayman GT4 RS returns, this time fortified by tuning outfitter Manthey Racing. The special chassis and aero elements include dive planes, four-way ...