AWE Tuning Audi R8 4.2L Spyder SwitchPath ExhaustRemember the first time you saw an R8? Your reaction was probably something along the lines of, "what is THAT? Well, same for us. From that moment forward, our work was cut out for us we had to create a masterpiece for the masterpiece. The Audi R8 4. 2L SwitchPath Exhaust by AWE sets a new standard. Beyond the handcrafted detail that is standard for every AWE exhaust, this one packs a little something special: The R8 4. 2L Exhaust incorporates a