Flowmaster American Thunder performance exhaust with 4" (101.6mm) highly polished tips.
The Flowmaster 60 Series mufflers have a unique moderate aggressive sound.
Flowmaster promises power gain with this system - e.g. Torque increase.
A soundclip may be found e.g. under:
youtube.com/watch?v=rW7OqM5lNV8
Suitably for Ford Mustang GT 5.0L 2015-2017 Coupe (does not fit Convertible models).
Complete with a detailed fitting instruction in English.
See also http://files.dpbrands.com/fmm/kitpdf/817730.pdf
These mufflers do not have a TÜV approval, ABE or European Union identification.