Is the aero craze more about form or function? Steve's awesome Guards Red Porsche Cayman GT4 is another track-prepped Cayman from California’s SP Motorsports. It's equipped with a Guard GT4 Pro limited slip differential, Salter Aero uprights, and Dundon Motorsports dive planes & gurney lip and rides on the SPM Stage 1 suspension kit, SPM GT4 spring kit, SPM Grand Am wheel stud kit, 265/35ZR19 & 295/30ZR19 Michelin Pilot Sport Cup 2 tires, and 19x9/19x10.5 Forgeline one piece forged monoblock GA1R Open Lug Cap Edition wheels finished in Graphite! See more at: http://www.forgeline.com/customer_gallery_view.php?cvk=1745