{"product_id":"cat-back-exhaust-for-ford-fiesta-st-2014-2018-1-6l","title":"Cat Back Exhaust for Ford Fiesta ST (2014-2018) 1.6L","description":"\u003ch2\u003eHigh-Flow Cat-Back Exhaust System for 2014-2018 Ford Fiesta\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit cat-back exhaust system replaces the restrictive factory exhaust assembly on the 2014-2018 Ford Fiesta ST to decrease backpressure, improve post-turbine gas velocity, and drop exhaust gas temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford Fiesta ST Exhaust Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory exhaust on the \u003cstrong\u003eB299\u003c\/strong\u003e chassis Fiesta ST utilizes narrow-diameter tubing, restrictive crush bends, and a baffled rear silencer. At wide-open throttle or under elevated boost levels, this convoluted routing generates excessive thermal retention and high exhaust backpressure directly downstream of the turbocharger. The resulting backpressure restricts turbine efficiency, elevates exhaust gas temperatures (EGTs), and limits top-end power potential on the direct-injected platform.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eFabricated for the turbocharged \u003cstrong\u003e1.6L EcoBoost\u003c\/strong\u003e inline-four, this performance system transitions to large-diameter 3-inch mandrel-bent piping to maintain constant cross-sectional area and eliminate flow turbulence. Built from aluminized \u003cstrong\u003e409 stainless steel\u003c\/strong\u003e, the tubing withstands extreme thermal expansion cycles and road spray corrosion. The high-flow straight-through muffler design controls high-frequency rasp while drastically reducing backpressure against the turbine wheel. Featuring pre-welded OEM-style hangers and a polished 3-inch exhaust tip, this unit is engineered for direct bolt-on fitment using existing factory mounting points (MPN: \u003cstrong\u003eSPT-CAT1107\u003c\/strong\u003e).\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2014-2018 Ford Fiesta ST\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e1.6L EcoBoost\u003c\/strong\u003e \/ \u003cstrong\u003eB299\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e197 hp \/ 202 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A (Aftermarket MPN: SPT-CAT1107)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2014 Ford Fiesta ST 1.6L Turbocharged Hatchback\u003c\/li\u003e\n  \u003cli\u003e2015 Ford Fiesta ST 1.6L Turbocharged Hatchback\u003c\/li\u003e\n  \u003cli\u003e2016 Ford Fiesta ST 1.6L Turbocharged Hatchback\u003c\/li\u003e\n  \u003cli\u003e2017 Ford Fiesta ST 1.6L Turbocharged Hatchback\u003c\/li\u003e\n  \u003cli\u003e2018 Ford Fiesta ST 1.6L Turbocharged Hatchback\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the B299 Fiesta?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2014-2018 Ford Fiesta ST equipped with the \u003cstrong\u003e1.6L EcoBoost\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill installing this cat-back exhaust trigger a Check Engine Light (CEL)?\u003c\/strong\u003e\u003cbr\u003e No, because this system bolts downstream of the factory catalytic converter and primary oxygen sensors, it does not alter emissions monitoring circuits or trigger a CEL.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford EcoBoost Standard\u003c\/h3\u003e\n\u003cp\u003eFord's EcoBoost hot-hatch architecture thrives when exhaust gases can scavenge efficiently out of the turbine housing. This cat-back configuration delivers a crisp exhaust note and maximum thermal flow, ensuring your Fiesta handles aggressive road and track demands with uncompromising reliability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50622347804920,"sku":"DS-E8N79JZPX","price":210.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cat-back-exhaust-for-ford-fiesta-st-2014-2018-1-6l-1.jpg?v=1790263418","url":"https:\/\/performancechiptuning.com\/es\/products\/cat-back-exhaust-for-ford-fiesta-st-2014-2018-1-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}