450 HP Porsche Cayman GT4 Hits The Dyno, Sounds Like a Wicked 911 Slayer

   With Porsche moving on to the turbocharged 991.2 Carrera S, Zuffenhausen was prepared to donate the old Carrera S' atmospheric 3.8-liter flat-six to the Cayman GT4.

And while the GT4 gets further into Neunelfer territory than ever before, this obviously isn't enough for the aftermarket. This is where developers such as Fabspeed Motorsport come into play, with the US company recently introducing a package that gives the GT divisi... (continue reading >>)