Shelby Mustang GT350 2016-2021 Catback Dimensions:3" x 3" and is a direct fit

and is a direct fit to stock or aftermarket Axlebacks

Primary sizes are 1-3/4" (for street/strip) or 1-7/8" (for high boost race applications)

ARH C7 systems set the bar for quality

3XLarge - 54"-56"

simply contact us and we will get the right set in your hands

Shelby Mustang GT350 2016-2021 Catback Dimensions:3" x 3" and is a direct fitIf your looking for increased performance, great sound and that American Made quality you can trust, look no further than the American Racing Headers for your GT350 Mustang. Featuring our mandrel bent stainless steel catbacks, an ARH GT350 Catback System will deliver the exhaust sound and power to match the aggressive look of your GT350. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless