{"title":"Sea-Doo GTR-X 300","description":"\u003cp\u003eBrowse parts listed for Sea-Doo GTR-X 300. Filter by version and year, then check the exact application on each product.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/all-products?vehicle_selection_id=sbv-model-v1-3da7da6ba4d3781e7037640d419edf9e\"\u003eView Sea-Doo GTR-X 300 parts\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"sea-doo-gtr-x-300-2025-custom-ecu-tuning","title":"Sea-Doo GTR-X 300 2025 Custom ECU Tuning","description":"\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","brand":"Lukos Engineering","offers":[{"title":"Tune \u0026 Tuning Device","offer_id":53787296301398,"sku":"HA-V53787296301398","price":920.0,"currency_code":"GBP","in_stock":true},{"title":"Tune Only","offer_id":53787296334166,"sku":"HA-V53787296334166","price":700.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/seadoogtr-x3002025.png?v=1779033037"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/collections\/hoonies-model-sea-doo-gtr-x-300-20261010-43fc213dacb7.webp?v=1791910768","url":"https:\/\/hooniesadrenaline.co.uk\/collections\/sea-doo-gtr-x-300.oembed","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}