{"product_id":"snow-performance-boost-cooler-stage-3-efi-direct-port-tfsi-thp","title":"Snow Performance Boost Cooler Stage 3 EFI — Direct Port (TFSI\/THP)","description":"\u003cp\u003e\u003cstrong\u003eTop-tier 2D-mapped water-methanol injection kit with Dual Stage Technology for port-injected turbo and supercharged petrol engines.\u003c\/strong\u003e The Stage 3 EFI is Snow Performance's most precise system — it creates a 2D injection map using both boost pressure and fuel injector pulse width to deliver exactly the right amount of water-meth at every load point. Dual Stage Technology controls two nozzles independently for maximum performance.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e300 PSI EPDM high-pressure pump (100% methanol-resistant, double-sealed)\u003c\/li\u003e\n\u003cli\u003eStage 3 EFI controller with LCD display — 2D mapping via boost + fuel injector pulse width\u003c\/li\u003e\n\u003cli\u003e2× Hyper-Sonic™ injection nozzles (primary + power nozzle) with integrated 100-micron filters\u003c\/li\u003e\n\u003cli\u003eDual Stage Technology (DST) included — independent control of both nozzles\u003c\/li\u003e\n\u003cli\u003e3-litre reservoir (black) with pump mount\u003c\/li\u003e\n\u003cli\u003eFluid level switch with LED warning light (red)\u003c\/li\u003e\n\u003cli\u003eOEM-grade weather-tight wiring harness (terminated connectors)\u003c\/li\u003e\n\u003cli\u003eAll fittings, pressure lines, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eComprehensive installation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection type:\u003c\/strong\u003e Variable 2D-mapped (boost pressure × fuel injector pulse width)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Stage Technology:\u003c\/strong\u003e Primary nozzle for everyday driving, secondary power nozzle activates independently at higher loads — optimal cooling at every RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD shows real-time boost pressure (BAR\/PSI), fuel injection timing, and Boost Cooler injection volume (%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine compatibility:\u003c\/strong\u003e Port-injected (EFI) turbo\/supercharged engines — Audi\/VW 1.8T, Opel OPC, older TFSI, and similar manifold-injection engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Equivalent to running 116-octane race fuel at a fraction of the cost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Differs from Other Stages\u003c\/h3\u003e\n\u003cp\u003eStage 3 EFI uses \u003cstrong\u003e2D mapping\u003c\/strong\u003e — it reads both boost pressure AND fuel injector timing to build a complete injection map. This is far more precise than \u003ca href=\"https:\/\/shop.eurolab.co.nz\/products\/snow-performance-boost-cooler-stage-2-variable-water-methanol-injection\"\u003eStage 2\u003c\/a\u003e's single-axis boost control. \u003cstrong\u003eEFI vs DI:\u003c\/strong\u003e Choose EFI for port-injected engines (1.8T, older TFSI, Opel Z20LEH). For direct-injected engines (MQB TSI, N55, EcoBoost), choose the \u003ca href=\"https:\/\/shop.eurolab.co.nz\/products\/snow-performance-boost-cooler-stage-3-di-direct-injection-tfsi-mqb\"\u003e\u003cstrong\u003eStage 3 DI\u003c\/strong\u003e\u003c\/a\u003e instead.\u003c\/p\u003e","brand":"Snow Performance","offers":[{"title":"Default Title","offer_id":44144874258498,"sku":"SP10315","price":2050.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/4414\/4962\/files\/SP10315.jpg?v=1784342940","url":"https:\/\/shop.eurolab.co.nz\/products\/snow-performance-boost-cooler-stage-3-efi-direct-port-tfsi-thp","provider":"EuroLab ","version":"1.0","type":"link"}