The Ford Racing cat-back exhaust for 2013–2015 Focus ST is a 304 stainless sport system tuned to provide an aggressive, throaty sound and improved flow with low restriction. It includes mandrel-bent tubing, muffler and polished dual tips, and is manufactured in the USA to Ford Racing specifications. When installed on stock applications it can meet the 95-decibel drive-by standard while delivering enhanced exhaust tone and response.
Ford Racing 2013-15 Focus ST Cat-Back Exhaust System (No Drop Ship)