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The Diamond Eye 4-inch cat-back exhaust kit for 2011–2013 Ford F-150 3.5L EcoBoost is a full replacement system built from 4" 409 stainless steel tubing and mandrel-bent components. Diamond Eye manufactures systems with extensive CNC mandrel bending and in-house testing to deliver consistent fit and flow. This kit fits all cab and bed lengths for the specified EcoBoost trucks, serving as a durable, direct-fit upgrade.
Diamond Eye KIT 4in Catback Single GAS SS FORD 3.5L F150 ECO-BOOST 11-13
