This 3D-Printed ‘F1’ Exhaust Unlocks The Shelby GT350 Mustang’s True Potential

In a bid to answer the time-honored question ‘how much difference does an exhaust pipe really make to an engine’s soundtrack?,’ Fluid MotorUnion on YouTube decided to find out by pitting the standard exhaust system on a Ford Mustang Shelby GT350 against a 3D-printed recent sensation called the ‘Z’ Pipe.