By now, you probably heard of RR Racing due to our expertise in tuning and developing the world's first Supercharged and fastest 991.1 911's.Tuning a normally aspirated 911 and reliably added a Supercharger for over 240hp in gains requires advanced ECU tuning knowledge far beyond the capability of most well-known Porsche tuners. Leveraging our Porsche tuning expertise, we developed the most advanced and effective 991.1 tune available anywhere for Porsche Carrera (including Carrera S and GTS).Our add-on options pair our tune with headers and exhaust for optimal gains. Our package pricing offers unbeatable value in the Porsche marketplace! Fitment: All 991 Porsche Carrera including S & GTS 2012-2016