Greddy EVOlution GT Exhaust 2016+ Infiniti Q50 (RWD ONLY)The EVOlution GT for the Infiniti Q50 2wd. Sedan is the ideal combination of form and function. The dual cat back exhaust utilizes an exhaust pressure equalizing dual 2. 5 X pipe crossover and large dual resonators to tune the exhaust sound of the twin turbo VR30DDTT engine. Large and aggressive 3 diameter dual EVO muffler canisters are angled purposely to minimize unnecessary bends and increase flow. Dual GReddy 4. 5 single wall slash tips finish off