1 Set of American Thunder rear mufflers from Flowmaster with four 3.5" (88.9mm) highly polished stainless steel tips.
Flowmaster mufflers have a unique, in the scene much admitted and loved dark sound. Flowmaster promises Power gain with these mufflers. - e.g. Torque increase.

A soundclip may be found e.g. under:
youtube.com/watch?v=7y3oBTV7duY
youtube.com/watch?v=Sf8P0_iH3JE

Suitably for Ford Mustang GT500 5.8L V8 2013-2014 (including Convertible).

Complete with hardware and a detailed fitting instruction in English.

These mufflers do not have a TÜV approval, ABE or European Union identification.