{"products":[{"id":10659769712982,"title":"Sea-Doo GTR-X 300 2025 Custom ECU Tuning","handle":"sea-doo-gtr-x-300-2025-custom-ecu-tuning","body_html":"\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003eCustom ECU tuning for the 2025 Sea-Doo GTR-X 300, calibrated by Lukos Engineering. The GTR-X 300 already punches hard for its size; a machine-specific calibration sharpens how that delivery arrives - response and consistency refined from your craft's data, not a file built for someone else's. Choose the tune with the tuning device included, or tune only if you already run compatible hardware.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGTR-X 300 owners refining response for harder riding\u003c\/li\u003e\n\u003cli\u003eRiders who want their specific craft calibrated, modifications included\u003c\/li\u003e\n\u003cli\u003eOwners choosing data-driven work over generic flashes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eProvider: Lukos Engineering\u003c\/li\u003e\n\u003cli\u003eService Type: Custom ECU tuning\u003c\/li\u003e\n\u003cli\u003eVehicle Application: 2025 Sea-Doo GTR-X 300\u003c\/li\u003e\n\u003cli\u003eOptions: Tune and Tuning Device; Tune Only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment And Setup Checks\u003c\/h2\u003e\u003cp\u003eConfirm your craft is the 2025 GTR-X 300 before ordering and mention any modifications. Recent Sea-Doo ECUs can require an unlocking step before calibration - check the requirements for your exact craft with us first so the process is planned end to end. Tune-only assumes you already own compatible hardware.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProvider\u003c\/td\u003e\n\u003ctd\u003eLukos Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService\u003c\/td\u003e\n\u003ctd\u003eCustom ECU tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSea-Doo GTR-X 300, 2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptions\u003c\/td\u003e\n\u003ctd\u003eTune + device; tune only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWill my ECU need unlocking?\u003c\/h3\u003e\u003cp\u003ePossibly - some 2025 Sea-Doo ECUs require an unlock before tuning. Check with us for your craft before ordering.\u003c\/p\u003e\u003ch3\u003eWhich option do I need?\u003c\/h3\u003e\u003cp\u003eTune-only if you already run compatible tuning hardware; otherwise take the option with the device included.\u003c\/p\u003e\u003cp\u003eConfirm the craft and let the GTR-X be calibrated around the way you actually ride it.\u003c\/p\u003e","published_at":"2026-05-17T16:20:23+01:00","created_at":"2026-05-17T16:20:03+01:00","updated_at":"2026-10-24T18:03:47+01:00","vendor":"Lukos Engineering","product_type":"Tuning","tags":["brand:lukos-engineering","cat:powersports-tuning","dept:tuning","type:ecu-remap"],"variants":[{"id":53787296301398,"title":"Tune \u0026 Tuning Device","option1":"Tune \u0026 Tuning Device","option2":null,"option3":null,"sku":"HA-V53787296301398","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"920.00","grams":0,"compare_at_price":null,"position":1,"product_id":10659769712982,"created_at":"2026-05-17T16:20:03+01:00","updated_at":"2026-10-24T18:03:47+01:00"},{"id":53787296334166,"title":"Tune Only","option1":"Tune Only","option2":null,"option3":null,"sku":"HA-V53787296334166","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"price":"700.00","grams":0,"compare_at_price":null,"position":2,"product_id":10659769712982,"created_at":"2026-05-17T16:20:03+01:00","updated_at":"2026-10-24T18:03:47+01:00"}],"images":[{"id":77971798196566,"created_at":"2026-05-17T16:50:32+01:00","position":1,"updated_at":"2026-05-17T16:50:37+01:00","product_id":10659769712982,"variant_ids":[],"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/seadoogtr-x3002025.png?v=1779033037","width":1254,"height":1254}],"options":[{"name":"Tuning Options","position":1,"values":["Tune \u0026 Tuning Device","Tune Only"]}]}]}