Magnaflow Street Series Black Cat-Back Exhaust | Chevy Silverado / GMC Sierra 10-13 (15362)Magnaflow Street Series Black Cat Back Performance Exhaust System 20102013 Chevrolet Silverado GMC Sierra 5. 3L Part #: 15362 Overview The MagnaFlow 3. 5 inch Street Series Black Cat Back Performance Exhaust System is designed to enhance the performance and sound of your Chevrolet Silverado or GMC Sierra equipped with a 5. 3L engine from 2010 to 2013. Crafted for enthusiasts who seek a balance of power, durability, and a refined exterior sound, this