Porsche GT3 RS exhaust is a subject that separates people who understand engines from people who just read spec sheets. Because here is the thing most owners do not realize until someone explains it. Everything you have ever read about supercar exhausts probably does not apply to this car. The GT3 RS is naturally aspirated. There is no turbo sitting in the exhaust path eating your sound. There is no boost to raise. The rules that govern a McLaren or a tuned BMW simply do not