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Dynomax Ultraflo catback for 2011-14 Mustang 3.7L V6. Part number 39507. Straight through muffler design. 2.5" piping. One muffler is painted high temp black to help hide it from view on the car. The other has not been painted because it is a new replacement received from Dynomax on 20 Oct 2015...

Dynomax Ultraflo catback for 2011-14 Mustang 3.7L V6. Part number 39507. Straight through muffler design. 2.5" piping. One muffler is painted high temp black to help hide it from view on the car. The other has not been painted because it is a new replacement received from Dynomax on 20 Oct 2015...