{"product_id":"thundermax-autotune-ecm-309-592-2021-2024-m8-softail-includes-ecm-caddy","title":"ThunderMax AutoTune ECM 309-592 — 2021–2024 M8 Softail — Includes ECM Caddy","description":"\u003cp\u003eStandalone ThunderMax ECM with wide-band AutoTune for 2021–2024 m8 softail — includes ecm caddy.\u003c\/p\u003e\u003cp\u003eIncludes the Softail-specific mounting caddy. 2025 and later Softail compatibility must be confirmed separately.\u003c\/p\u003e\u003cp\u003eFor a Trask turbo build, use the ECM matching the motorcycle and have the correct Trask turbo calibration loaded. The turbo kit does not include this ECM.\u003c\/p\u003e\u003cp\u003eUses 18 mm oxygen sensors; verify exhaust sensor ports. Race-ready applications only. Cannot ship to California.\u003c\/p\u003e\u003cp\u003eManufacturer part: 309-592. Supplier part: 1020-3515.\u003c\/p\u003e","brand":"ThunderMax","offers":[{"title":"Default Title","offer_id":49731246915822,"sku":"1020-3515","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/4902\/0654\/files\/309-592_Clipped_2025.png?v=1791759318","url":"https:\/\/highdesertperf.com\/products\/thundermax-autotune-ecm-309-592-2021-2024-m8-softail-includes-ecm-caddy","provider":"High Desert Performance ","version":"1.0","type":"link"}