{"product_id":"ignition-coil-and-iridium-spark-plugs-for-subaru-wrx-2015-2021-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Subaru WRX (2015-2021) 2.0L","description":"\u003ch2\u003eDirect Replacement Ignition Coil and Iridium Spark Plugs for 2015-2021 Subaru WRX\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eRestores optimal combustion efficiency and eliminates high-boost misfires by replacing degraded factory ignition components.\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock WRX Ignition Weakness\u003c\/h3\u003e\n  \u003cp\u003eThe factory ignition coils and spark plugs on the FA20F (FA20DIT) engine are prone to premature wear, especially as thermal stress accumulates over thousands of heat cycles. Under continuous boost pressure, the OEM components begin to experience degraded spark energy, leading to part-throttle hesitation, rough idling, and catastrophic cylinder misfires under load. Furthermore, the intense cylinder pressures generated by the factory twin-scroll turbocharger easily blow out weakened sparks. This forces the ECU to pull ignition timing, which severely degrades engine response, drops torque output, and negatively impacts overall fuel economy.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis kit combines high-voltage ignition coils with ultra-fine wire iridium spark plugs designed specifically for the extreme conditions of the 2.0L turbocharged flat-four. The coils feature upgraded internal copper windings and high-temperature epoxy potting to prevent electrical arcing and heat degradation, ensuring consistent primary-to-secondary voltage transfer. Paired with iridium spark plugs—featuring exceptionally high melting points and superior electrical conductivity—this tune-up package guarantees a concentrated, powerful spark capable of igniting dense air-fuel mixtures without blowout. The result is restored timing curves, smoothed power delivery across the entire RPM range, and optimal fuel burn under full boost.\u003c\/p\u003e\n  \n\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2015-2021 Subaru WRX 2.0L Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFA20F \/ VA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e268 hp \/ 258 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF747, 22433AA700, 93501\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2015 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2016 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2017 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2018 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2019 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2020 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n    \u003cli\u003e2021 Subaru WRX 2.0L Turbo\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe Subaru Performance Caliber\u003c\/h3\u003e\n  \u003cp\u003eBuilt to handle the rigorous demands of turbocharged flat-four architectures, this ignition upgrade restores factory power delivery, improves throttle response, and ensures reliable drivability across all boost levels.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50255526363384,"sku":"DS-E73Y6JTPD","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-subaru-wrx-2015-2021-2-0l-1.webp?v=1787983151","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-subaru-wrx-2015-2021-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}