{"product_id":"catback-exhaust-for-scion-fr-s-2013-2016-2-0l","title":"Catback Exhaust for Scion FR-S (2013-2016) 2.0L","description":"\u003ch2\u003eHigh-Flow Catback Exhaust System for 2013-2016 Scion FR-S\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Catback Exhaust System replaces the restrictive factory exhaust plumbing and chambered muffler on the 2013-2016 Scion FR-S to optimize exhaust gas velocity, reduce parasitic backpressure, and improve engine scavenging.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Scion FR-S Exhaust Flow Bottlenecks\u003c\/h3\u003e\n\u003cp\u003eThe OEM exhaust assembly on the \u003cstrong\u003eZN6\u003c\/strong\u003e chassis utilizes narrow-diameter, press-bent tubing coupled with a heavy, multi-chambered muffler. Factory press-bends introduce localized internal diameter necking, causing boundary-layer turbulence that impedes mass air flow downstream of the mid-pipe. Over time, the factory mild steel construction is vulnerable to thermal cycling degradation and road salt corrosion, especially at weld seams and hanger connections. Furthermore, excessive internal sound baffling masks the acoustic pulse dynamics of the naturally aspirated \u003cstrong\u003eFA20\u003c\/strong\u003e boxer engine while holding back mid-to-high RPM exhaust scavenging efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eFabricated from mandrel-bent T304 stainless steel, this direct-fit system maintains a constant internal diameter throughout the routing, eliminating restrictive flow bottlenecks to facilitate laminar exhaust gas flow. Continuous TIG welding provides structural durability, preventing thermal fatigue cracks under high-load track conditions. The high-flow muffler design utilizes acoustic packing to balance sound attenuation without inducing flow restriction, unlocking the aggressive boxer cadence. Pre-welded heavy-duty mounting hangers align directly to factory \u003cstrong\u003eZN6\u003c\/strong\u003e subframe rubber bushings, and precision-cut flanges ensure leak-free coupling using standard hardware.\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;\"\u003e2013-2016 Scion FR-S\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\u003eFA20\u003c\/strong\u003e \/ \u003cstrong\u003eZN6\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;\"\u003e200 hp \/ 151 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2013 Scion FR-S Base 2.0L H4 (FA20)\u003c\/li\u003e\n  \u003cli\u003e2014 Scion FR-S Base 2.0L H4 (FA20)\u003c\/li\u003e\n  \u003cli\u003e2015 Scion FR-S Base 2.0L H4 (FA20)\u003c\/li\u003e\n  \u003cli\u003e2016 Scion FR-S Base 2.0L H4 (FA20)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the ZN6 FR-S?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2013-2016 Scion FR-S equipped with the \u003cstrong\u003eFA20\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this catback exhaust trigger a Check Engine Light (CEL)?\u003c\/strong\u003e\u003cbr\u003e No, this assembly mounts downstream of the secondary catalytic converter and O2 sensors, maintaining factory emissions monitor readiness without throwing diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Scion Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to complement the rev-happy, high-compression nature of the rear-wheel-drive \u003cstrong\u003eZN6\u003c\/strong\u003e platform, this catback exhaust delivers the flow efficiency, thermal resistance, and acoustic resonance required for aggressive street and track operation.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50512348381432,"sku":"DS-EEUSCJ4QZ","price":364.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catback-exhaust-for-scion-fr-s-2013-2016-2-0l-1.jpg?v=1789425878","url":"https:\/\/performancechiptuning.com\/es\/products\/catback-exhaust-for-scion-fr-s-2013-2016-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}