ROUSH Axle Back Exhaust Quad Tip 2018-2020 Mustang GT 422097
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It does not add active exhaust to Mustangs that do not already have it. However, the sound is fantastic. When cruising, it's very quiet, but when you're driving, you really feel like you're in the car.
Maybe it's not as big and heavy as factory ones, but it is smaller and lighter.
In 2018, there are no clear indications of how well the quad-ruple-reduction will work These tips are designed to work only on the 2015 models that feature dual tips. It would be best to contact Roush to find out what's needed for the cross-over It is suitable.