2015-2017 Mustang GT 5.0 Roush Axle Back Exhaust - Mufflers Hangers & 4-inch Flash-chromed dual wall tips Fits 2015-2017 Ford Mustang GT 5.0L's; Fastbacks or Convertibles Includes left/right pair of high-flow mufflers, male hangers, and 4-inch dual wall tips This system includes single tip High flow mufflers that improve the stock sound of the Mustang No welding required and uses the factory hangers and mounting points System makes a louder deeper exhaust tone, with a healthy V8 burble at idle, building to a powerful roar at high revs