{"product_id":"ecu-tuning","title":"Custom ECU Tuning","description":"\u003cp data-path-to-node=\"3\"\u003e\u003cspan\u003eStop running generic,\u003c\/span\u003e\u003cspan\u003e one-size-fits-all off-the-shelf tunes that leave horsepower on the table and risk your engine.\u003c\/span\u003e\u003cspan\u003e Get a fully customized calibration engineered specifically for your exact hardware setup,\u003c\/span\u003e\u003cspan\u003e fuel type,\u003c\/span\u003e\u003cspan\u003e elevation,\u003c\/span\u003e\u003cspan\u003e and riding style—flashed straight onto your factory Bosch ECU using your \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"320\"\u003eHP Tuners RTD\/MPVI\u003c\/b\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"342\"\u003eDynojet Power Vision 3 (PV3)\u003c\/b\u003e\u003cspan\u003e device.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan\u003eEvery custom file is meticulously built by an experienced calibrator with 18 years of specialized powersports and dyno-tuning expertise,\u003c\/span\u003e\u003cspan\u003e ensuring your machine delivers maximum usable power without compromising reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"5\" class=\"\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eHow the Custom E-Tune Process Works:\u003c\/b\u003e\u003c\/h4\u003e\n\u003col start=\"1\" data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eSubmit Your Build Specs:\u003c\/b\u003e\u003cspan\u003e Fill out our comprehensive vehicle build sheet at checkout (specifying your exact turbo setup,\u003c\/span\u003e\u003cspan\u003e exhaust,\u003c\/span\u003e\u003cspan\u003e intercooler,\u003c\/span\u003e\u003cspan\u003e fuel injector size,\u003c\/span\u003e\u003cspan\u003e MAP sensor rating,\u003c\/span\u003e\u003cspan\u003e and fuel octane\/E85 content).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eRead \u0026amp; Send Your Stock\/Current File:\u003c\/b\u003e\u003cspan\u003e Using your RTD or PV3 device,\u003c\/span\u003e\u003cspan\u003e read your vehicle’s current ECU file and email it directly to us along with your order number.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eCustom Calibration Build:\u003c\/b\u003e\u003cspan\u003e We custom-tailor your fuel,\u003c\/span\u003e\u003cspan\u003e spark,\u003c\/span\u003e\u003cspan\u003e boost control,\u003c\/span\u003e\u003cspan\u003e torque limits,\u003c\/span\u003e\u003cspan\u003e and fan temperatures specifically for your machine.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eData Logging \u0026amp; Refinement:\u003c\/b\u003e\u003cspan\u003e Flash the custom file to your UTV,\u003c\/span\u003e\u003cspan\u003e capture a rolling data log or dyno pull,\u003c\/span\u003e\u003cspan\u003e and send it back.\u003c\/span\u003e\u003cspan\u003e We include iterative fine-tuning revisions to ensure your air-fuel ratio,\u003c\/span\u003e\u003cspan\u003e boost curves,\u003c\/span\u003e\u003cspan\u003e and knock parameters are 100% dialed in.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 data-path-to-node=\"7\" class=\"\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Calibration Improvements:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eOptimized Air-Fuel Ratios \u0026amp; Fueling:\u003c\/b\u003e\u003cspan\u003e Precise lambda targets mapped across part-throttle,\u003c\/span\u003e\u003cspan\u003e transient tip-in,\u003c\/span\u003e\u003cspan\u003e and sustained peak boost.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eAggressive \u0026amp; Safe Spark Timing:\u003c\/b\u003e\u003cspan\u003e Calibrated for MBT (Minimum Best Torque) while maintaining safe safety margins against detonation on pump gas,\u003c\/span\u003e\u003cspan\u003e race gas,\u003c\/span\u003e\u003cspan\u003e or E85.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eEnhanced Boost Control \u0026amp; Torque Limits:\u003c\/b\u003e\u003cspan\u003e Raised or recalibrated torque monitor limits,\u003c\/span\u003e\u003cspan\u003e optimized wastegate duty cycles,\u003c\/span\u003e\u003cspan\u003e and eliminated factory throttle closures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eCooling \u0026amp; Drivability Enhancements:\u003c\/b\u003e\u003cspan\u003e Lowered fan activation temperatures for hard desert or dune running,\u003c\/span\u003e\u003cspan\u003e improved throttle response,\u003c\/span\u003e\u003cspan\u003e and refined reverse\/low-gear speed limiters where applicable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"9\" class=\"\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eSupported Hardware:\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eHP Tuners:\u003c\/b\u003e\u003cspan\u003e MPVI2+,\u003c\/span\u003e\u003cspan\u003e MPVI3,\u003c\/span\u003e\u003cspan\u003e MPVI4 and RTD devices utilizing TDN Iphone or Android App.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eDynojet:\u003c\/b\u003e\u003cspan\u003e Power Vision 3 (PV3) or Power Vision 4 (PV4) flashing devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e(Remote Tuning requires a factory wideband equipped vehicle or added widdeband module)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4 Seasons Powersports LLC","offers":[{"title":"Default Title","offer_id":50714967998639,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7857\/6559\/files\/Cam_Device_4-Seasons-Powersports_Black.png?v=1792602101","url":"https:\/\/www.4seasonspowersports.com\/products\/ecu-tuning","provider":"4 Seasons Powersports LLC","version":"1.0","type":"link"}