{"product_id":"yamaha-f350-4-3l-nizpro-376-fsr-ecu-tune","title":"Yamaha F350 4.3L Nizpro 376 FSR ECU Tune","description":"\u003cp data-start=\"430\" data-end=\"669\"\u003eUnlock stronger real-world performance from your Yamaha F350 4.3L V6 with the Nizpro 376 FSR calibration, designed to significantly increase horsepower, improve throttle response, and deliver stronger performance across the entire RPM range.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"928\"\u003eThis calibration is ideal for offshore and heavy-load applications where additional torque, acceleration, and sustained performance are critical. The biggest gains are felt when getting on plane, carrying load, and maintaining speed in demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"930\" data-end=\"1032\"\u003e\u003cstrong data-start=\"930\" data-end=\"950\"\u003ePerformance Data\u003c\/strong\u003e\u003cbr data-start=\"950\" data-end=\"953\"\u003eStock Output: 350 HP\u003cbr data-start=\"973\" data-end=\"976\"\u003eTuned Output: 376 HP\u003cbr data-start=\"996\" data-end=\"999\"\u003ePower Increase: +26HP\u003c\/p\u003e\n\u003cp data-start=\"1034\" data-end=\"1117\"\u003eFuel Savings: Up to 10–12% improved efficiency\u003cbr data-start=\"1080\" data-end=\"1083\"\u003eMinimum Fuel Required: 89 Octane\u003c\/p\u003e\n\u003cp data-start=\"1119\" data-end=\"1146\"\u003e\u003cstrong data-start=\"1119\" data-end=\"1146\"\u003eWhat this tune improves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1148\" data-end=\"1245\"\u003eThe Nizpro 376 FSR calibration is built to deliver a stronger and more usable powerband than stock.\u003c\/p\u003e\n\u003cp data-start=\"1247\" data-end=\"1279\"\u003eReal-world improvements include:\u003c\/p\u003e\n\u003cp data-start=\"1281\" data-end=\"1496\"\u003eFaster hole shot and reduced time to plane\u003cbr data-start=\"1323\" data-end=\"1326\"\u003eStronger mid-range torque under load\u003cbr data-start=\"1362\" data-end=\"1365\"\u003eSharper throttle response\u003cbr data-start=\"1390\" data-end=\"1393\"\u003eImproved offshore performance in rough conditions\u003cbr data-start=\"1442\" data-end=\"1445\"\u003eHigher sustained cruising and top-end performance\u003c\/p\u003e\n\u003cp data-start=\"1498\" data-end=\"1571\"\u003eThis results in a more powerful, responsive, and capable offshore engine.\u003c\/p\u003e\n\u003cp data-start=\"1573\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1573\" data-end=\"1595\"\u003eCompatible Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1597\" data-end=\"1682\"\u003eThis product is for Yamaha F350 4.3L applications using the ECU numbers listed below.\u003c\/p\u003e\n\u003cp data-start=\"1684\" data-end=\"1713\"\u003eF350 4.3L — 2020 to current\u003c\/p\u003e\n\u003cp data-start=\"1715\" data-end=\"1736\"\u003e\u003cstrong data-start=\"1715\" data-end=\"1736\"\u003eECU Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1738\" data-end=\"1772\"\u003e6ML-00\u003c\/p\u003e\n\u003cp data-start=\"8631\" data-end=\"8647\"\u003e\u003cstrong data-start=\"8631\" data-end=\"8647\"\u003eHow to order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"8648\" data-end=\"8805\"\u003e\n\u003cli data-section-id=\"151ubtg\" data-start=\"8648\" data-end=\"8676\"\u003eSelect your Service Type\u003c\/li\u003e\n\u003cli data-section-id=\"1rikq19\" data-start=\"8677\" data-end=\"8719\"\u003eSelect your ECU Part Number (Abridged)\u003c\/li\u003e\n\u003cli data-section-id=\"wnqhu1\" data-start=\"8720\" data-end=\"8741\"\u003eComplete checkout\u003c\/li\u003e\n\u003cli data-section-id=\"j27hgm\" data-start=\"8742\" data-end=\"8805\"\u003eMail in your ECU or schedule local mobile service if eligible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"8807\" data-end=\"8826\"\u003e\u003cstrong data-start=\"8807\" data-end=\"8826\"\u003eService Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"8828\" data-end=\"8883\"\u003e\u003cstrong data-start=\"8828\" data-end=\"8851\"\u003eMail-In ECU Service\u003c\/strong\u003e\u003cbr data-start=\"8851\" data-end=\"8854\"\u003eNationwide service available.\u003c\/p\u003e\n\u003cp data-start=\"8885\" data-end=\"9008\"\u003e\u003cstrong data-start=\"8885\" data-end=\"8925\"\u003eLocal Mobile Flash Service (Florida)\u003c\/strong\u003e\u003cbr data-start=\"8925\" data-end=\"8928\"\u003eAvailable for qualifying local appointments within 40 miles of Ormond Beach, FL.\u003c\/p\u003e\n\u003cp data-start=\"9010\" data-end=\"9039\"\u003e\u003cstrong data-start=\"9010\" data-end=\"9039\"\u003eImportant before ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"9041\" data-end=\"9153\"\u003eIf you do not see your ECU listed, select \u003cstrong data-start=\"9083\" data-end=\"9106\"\u003eNot Listed \/ Unsure\u003c\/strong\u003e. We will verify compatibility before flashing.\u003c\/p\u003e\n\u003cp data-start=\"9155\" data-end=\"9262\"\u003e\u003cstrong data-start=\"9155\" data-end=\"9164\"\u003eNotes\u003c\/strong\u003e\u003cbr data-start=\"9164\" data-end=\"9167\"\u003ePerformance results can vary based on hull, prop, load, fuel quality, and operating conditions.\u003c\/p\u003e","brand":"Florida Marine Tuning","offers":[{"title":"Mail-in ECU Service \/ 6ML-00","offer_id":51120672964893,"sku":null,"price":1325.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ Not Listed \/ Unsure","offer_id":51260253864221,"sku":null,"price":1325.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6ML-00","offer_id":51120672997661,"sku":null,"price":1325.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ Not Listed \/ Unsure","offer_id":51260253896989,"sku":null,"price":1325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/5305\/2957\/files\/f3504.3L376FSR.png?v=1778362281","url":"https:\/\/flmarinetuning.com\/products\/yamaha-f350-4-3l-nizpro-376-fsr-ecu-tune","provider":"Florida Marine Tuning","version":"1.0","type":"link"}