Japanese customizer J.N. Hephaiss has put together a kit for the previous-generation Porsche 911 GT3 (996 version). The tuner felt the GT3's stock exhaust wasn't quite loud enough for a car of this caliber, so a new system was fitted to the car. The innovative four-pipe exhaust features two modes for different applications. It can be be switched to 'circuit' (loud) or 'public' (silent) mode. Aside from the upgraded exhaust, the J.N. Hephaiss 996 features a bodykit that provides increased aerodynamics, as well as added cooling for the engine. Several components are available in carbon fiber for decreased weight.











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