HKS releases more powerful GT600 upgrade for Nissan’s GT-R

After releasing GT570 racing kit for the GT-R, HKS now has gone another step further and produced an even stronger pair of packages for the GT600 Racing and GT600 Sports lines.

The new GT600 kit is based on the previous GT570 package and essentially adds a new induction kit with large diameter intakes, a fuel regulator and a fuel pump. The GT600 kit also ships with the HKS Superior Finisher fitted with an exclusive GT600 badge. The only difference between the Racing and Sport lines is the exhaust system, which for the street-legal Sport trim has been toned down to pass emission and noise regulations in Japan.

According to HKS’ own dyno chart the addition of the GT600 package boosts power to 592hp (441kW).

The pricing for GT600 Racing and GT600 Sports kits has also been released, for the GT600 Racing package you get three options. The GT600 Racing base package is 882,000 yen. For the less obnoxious “Silencer Version” fitted with an additional muffler in the exhaust you will pay 903,000 yen. Finally for the LEGAMAX Premium exhaust version you’re looking at 1,155,000 yen all up. The GT600 Sports package prices at 1,197,000 yen for the base package and 1,470,000 yen including the LEGAMAX Premium exhaust.