{"product_id":"flex-f55-boost-x-kit-n70-1kd-300-rwhp-45-psi-high-mount","title":"Flex F55 Boost X Kit | N70 1KD | 300+ RWHP | 45 PSI | High-Mount","description":"\u003c!-- ==================== Product: Flex F55 Boost X High-Mount Turbo Kit – 1KD Hilux N70 ==================== --\u003e\n\u003cstyle\u003e\n  \/* ===== Chevron CSS ===== *\/\n  .product-description details summary{\n    cursor:pointer;\n    list-style:none;\n    position:relative;\n    padding-left:16px;\n    font-weight:700;\n    margin:8px 0;\n  }\n  .product-description details summary::before{\n    content:\"›\";\n    position:absolute;\n    left:0;\n    top:2px;\n    transition:transform .2s ease;\n    font-size:1.2em;\n    line-height:1;\n  }\n  .product-description details[open] summary::before{transform:rotate(90deg);}\n  .product-description details div{padding:8px 0 6px 18px;}\n\n  \/* ===== Trust Badges ===== *\/\n  .crc-badges{\n    display:flex;\n    flex-wrap:wrap;\n    gap:8px;\n    justify-content:center;\n    margin:14px 0 20px;\n  }\n  .crc-badges span{\n    display:inline-block;\n    padding:6px 14px;\n    font-size:12px;\n    font-weight:700;\n    border-radius:16px;\n    white-space:nowrap;\n  }\n\n  \/* Flex Ultimate Performance badge – GLOWING PINK *\/\n  .badge-flex{\n    background: #e91e63;\n    color:#fff !important;\n    box-shadow: 0 0 20px rgba(233, 30, 99, 0.8), 0 0 30px rgba(233, 30, 99, 0.6), 0 0 40px rgba(233, 30, 99, 0.4);\n    font-weight: 900;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n\n  \/* PPRC Thailand badge – GLOWING GOLD *\/\n  .badge-pprc{\n    background: #d4af37;\n    color:#111 !important;\n    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8), 0 0 30px rgba(212, 175, 55, 0.6), 0 0 40px rgba(212, 175, 55, 0.4);\n    font-weight: 900;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n\n  \/* Other badge colours *\/\n  .badge-blue{background:#2b5da6;color:#fff;}\n  .badge-green{background:#76b82a;color:#111;}\n  .badge-red{background:#00acc1;color:#fff;}\n  .badge-grey{background:#555;color:#fff;}\n  .badge-black{background:#111;color:#fff;}\n\u003c\/style\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003eFlex F55 Boost X High-Mount Turbo Kit – 1KD Hilux N70\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center; margin: 0 0 10px;\"\u003eHigh-Mount Performance Kit | 300+ RWHP Capable | 45 PSI Rated\u003c\/h2\u003e\n\u003c!-- ===== TRUST BADGES ===== --\u003e\n\u003cdiv class=\"crc-badges\"\u003e\n\u003cspan class=\"badge-flex\"\u003e⚡ Flex Ultimate Performance\u003c\/span\u003e \u003cspan class=\"badge-pprc\"\u003e🏆 PPRC Thailand\u003c\/span\u003e \u003cspan class=\"badge-red\"\u003eF55 Boost X Kit 🔥\u003c\/span\u003e \u003cspan class=\"badge-green\"\u003e300+ RWHP Capable 💪\u003c\/span\u003e \u003cspan class=\"badge-grey\"\u003e45 PSI Rated 🚀\u003c\/span\u003e \u003cspan class=\"badge-blue\"\u003e💳 Afterpay • Humm • Klarna • Zip\u003c\/span\u003e \u003cspan class=\"badge-black\"\u003e🚚 Free Express Shipping AU\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eFlex F55 Boost X Turbo Kit\u003c\/strong\u003e is a high-mount performance upgrade for \u003cstrong\u003eToyota Hilux N70 1KD-FTV\u003c\/strong\u003e engines built for serious airflow and sustained power. This kit is designed for \u003cstrong\u003e300+ RWHP\u003c\/strong\u003e applications with the correct fuel system, intercooler and ECU calibration.\u003c\/p\u003e\n\u003cp style=\"background: #e3f2fd; padding: 12px; border-radius: 4px; border-left: 4px solid #1565c0; margin: 15px 0;\"\u003e\u003cstrong\u003e⚠️ Important clarification:\u003c\/strong\u003e The \u003cstrong\u003eFlex F55 is not a \"55mm turbo\"\u003c\/strong\u003e. Turbochargers are often incorrectly described online using a single diameter number, which does not accurately represent airflow, efficiency or power capability. The F55 designation refers to the \u003cstrong\u003eoriginal \u003c\/strong\u003e\u003cstrong\u003eturbo frame class (RHF55) \u003c\/strong\u003e, not a single compressor measurement. Rather than chasing misleading size labels, the F55 Boost X is engineered around \u003cstrong\u003ereal-world flow, turbine efficiency and durability\u003c\/strong\u003e, delivering strong mid-to-top-end power without excessive drive pressure or overspeed.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🚀 Why the Flex F55 Boost X?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-flow compressor and turbine pairing\u003c\/strong\u003e optimised for 1KD airflow demands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra S-Curve turbine design\u003c\/strong\u003e for reduced back-pressure and improved efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eup to 45 PSI capable\u003c\/strong\u003e with appropriate fueling and tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPRC stainless high-mount manifold \u0026amp; dump pipe\u003c\/strong\u003e for strength and flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit\u003c\/strong\u003e — turbo, manifold, dump, oil\/coolant lines, hardware\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003ebig fuel, big air, custom-tuned builds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e📐 Technical Specifications\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo Model:\u003c\/strong\u003e Flex F55 Boost X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor:\u003c\/strong\u003e High-flow 7-blade design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbine:\u003c\/strong\u003e Ultra S-Curve design for reduced back-pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Capability:\u003c\/strong\u003e 300+ RWHP (with supporting mods)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Rating:\u003c\/strong\u003e 45 PSI MAX - Recommended Daily Boost 35 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold:\u003c\/strong\u003e PPRC stainless high-mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup Type:\u003c\/strong\u003e Suits front-mount intercooler configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🔧 Vehicle Compatibility\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eToyota Hilux N70 \/ KUN26 – 1KD-FTV\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"background: #fff3cd; padding: 10px; border-radius: 4px; margin-top: 8px;\"\u003e\u003cstrong\u003e⚠️ IMPORTANT:\u003c\/strong\u003e Front-mount intercooler required. Designed for high-mount manifold configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e📦 Complete Kit Includes\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003ch4 style=\"margin: 10px 0 5px;\"\u003e🌀 Turbocharger\u003c\/h4\u003e\n\u003cp\u003eFlex Boost X turbocharger featuring a high-efficiency compressor and turbine assembly designed for sustained boost and performance applications.\u003c\/p\u003e\n\u003ch4 style=\"margin: 10px 0 5px;\"\u003e🔥 Manifold \u0026amp; Dump Pipe\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePPRC stainless high-mount manifold \u0026amp; dump pipe\u003c\/strong\u003e — engineered for heat control, strength and improved exhaust flow.\u003c\/p\u003e\n\u003ch4 style=\"margin: 10px 0 5px;\"\u003e🛢️ Oil \u0026amp; Coolant Lines\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBraided oil feed and return lines with heat shielding\u003c\/li\u003e\n\u003cli\u003eAeroflow coolant lines with thermal guards\u003c\/li\u003e\n\u003cli\u003eComplete fittings kit for oil and coolant connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 10px 0 5px;\"\u003e🔧 Installation Hardware\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGaskets (manifold \u0026amp; dump pipe)\u003c\/li\u003e\n\u003cli\u003eStuds and copper-coated nuts\u003c\/li\u003e\n\u003cli\u003eComplete mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🛠️ Installation \u0026amp; Fitment Requirements\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp style=\"background: #ffebee; padding: 10px; border-radius: 4px; margin-bottom: 10px; border-left: 4px solid #c62828;\"\u003e\u003cstrong style=\"color: #c62828;\"\u003e⚠️ CRITICAL:\u003c\/strong\u003e Professional installation and ECU remapping required. This is a complete high-mount turbo conversion for extreme performance builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation requirements:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eECU remap mandatory\u003c\/strong\u003e — professional tuning essential\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFront-mount intercooler required\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+50% injectors\u003c\/strong\u003e and upgraded fuel system recommended for 300+ RWHP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVNT Simulator\u003c\/strong\u003e may be required (available separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom intercooler and intake piping\u003c\/strong\u003e required\u003c\/li\u003e\n\u003cli\u003eMinor intake, intercooler and coolant-line modifications may be required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDump Pipe Adapter Kit\u003c\/strong\u003e available for 3\" exhaust systems (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e\n\u003csummary\u003e💡 Recommended Supporting Mods\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eTo achieve 300+ RWHP, pair the F55 Boost X kit with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFuel System:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+50% injectors minimum\u003c\/strong\u003e for 300+ RWHP builds\u003c\/li\u003e\n\u003cli\u003eHigh-pressure fuel pump upgrade\u003c\/li\u003e\n\u003cli\u003eRail blank or upgraded relief valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAir System:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront-mount intercooler (required)\u003c\/li\u003e\n\u003cli\u003eCustom intercooler piping\u003c\/li\u003e\n\u003cli\u003eHigh-flow intake system\u003c\/li\u003e\n\u003cli\u003e3\" exhaust system (dump pipe adapter available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTuning \u0026amp; Monitoring:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eProfessional ECU remap mandatory\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBoost gauge (accurate to 50 PSI)\u003c\/li\u003e\n\u003cli\u003eEGT gauge for safety\u003c\/li\u003e\n\u003cli\u003eWideband O2 sensor (tuning phase)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Components:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVNT Simulator (stepper motor delete)\u003c\/li\u003e\n\u003cli\u003eDump pipe adapter for 3\" exhaust\u003c\/li\u003e\n\u003cli\u003eClutch upgrade (manual transmissions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e💳 Payment \u0026amp; Shipping Options\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e💸 \u003cstrong\u003eBuy Now, Pay Later:\u003c\/strong\u003e Afterpay, Humm, Klarna \u0026amp; Zip available\u003c\/li\u003e\n\u003cli\u003e✈️ \u003cstrong\u003eFree Express Shipping Australia-Wide\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e📦 Fast, trackable dispatch from Australian warehouse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e⚠️ Legal Notice\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp style=\"background: #fff3cd; padding: 10px; border-radius: 4px;\"\u003e\u003cstrong\u003eFor off-road \/ competition use only.\u003c\/strong\u003e Turbo modifications may affect compliance. Professional installation and ECU tuning required. Check local regulations before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e\n\u003csummary\u003e❓ Frequently Asked Questions\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a complete bolt-on kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes — includes turbo, PPRC high-mount manifold, dump pipe, oil\/coolant lines, fittings, and hardware. Front-mount intercooler and custom piping required separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"F55\" mean? Is it a 55mm turbo?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The F55 designation refers to the turbo frame and flow class, not a single compressor measurement. Turbochargers can't be accurately described with one diameter number. The F55 is engineered for real-world flow, efficiency, and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this work with my factory intercooler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No — this kit requires a front-mount intercooler setup. The high-mount configuration demands custom intercooler piping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a tune?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes — professional ECU remapping is mandatory. The F55 Boost X's 45 PSI capability requires expert calibration for safe fueling, timing, and boost control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What power can I expect?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: With proper supporting modifications (+50% injectors, fuel pump, FMIC, exhaust) and professional tuning, 300+ RWHP is achievable. Results vary based on build quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this compare to the F66 high-mount kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Both are complete high-mount kits capable of 300+ RWHP. The F66 uses a larger 52.5mm compressor\/turbine, while the F55 Boost X focuses on optimal flow efficiency with its Ultra S-Curve turbine design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Ultra S-Curve turbine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Advanced turbine design that reduces exhaust back-pressure and improves efficiency, allowing for higher boost without excessive drive pressure or heat buildup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Professional installation is strongly recommended. This is a complete high-mount turbo conversion requiring custom piping, proper oil\/coolant routing, and expert tuning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is PPRC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Premium Performance Racing Components — a Thailand-based manufacturer known for high-quality stainless manifolds and dump pipes used in serious performance builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this suitable for daily driving?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: When properly tuned with appropriate supporting mods, yes. However, this is designed for enthusiasts chasing maximum power and requires commitment to supporting modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What boost should I run?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The kit is 45 PSI capable. Your tuner will determine safe boost based on your complete setup — typically 35-45 PSI for extreme builds with proper fueling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003c!-- PINK \u0026 GOLD BANNER CTA - Flex + PPRC Theme --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #e91e63 0%, #d4af37 100%); color: #ffffff; padding: 20px; text-align: center; margin: 20px 0; border-radius: 6px; box-shadow: 0 0 25px rgba(233, 30, 99, 0.6), 0 0 40px rgba(212, 175, 55, 0.4), 0 0 60px rgba(233, 30, 99, 0.2);\"\u003e\n\u003ch2 style=\"margin: 0 0 10px; font-size: 20px; color: #fff; text-shadow: 0 0 10px rgba(0,0,0,0.4);\"\u003e\u003cstrong\u003e⚡ BUILT FOR REAL PERFORMANCE — NOT MARKETING NUMBERS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #fff; text-shadow: 0 0 5px rgba(0,0,0,0.4);\"\u003e\u003cem\u003eFlex F55 Boost X high-mount kit. 300+ RWHP. 45 PSI capable. Ultra S-Curve turbine. PPRC stainless manifold. Complete with all lines. Professional build required.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 12px; opacity: .8; margin-top: 16px;\"\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Common Rail Cowboys is not affiliated with Toyota Motor Corporation, FLEX Thailand, or PPRC. Installation should be performed by a qualified technician. Professional ECU tuning and supporting modifications are mandatory. Proper installation and compliance verification are the buyer's responsibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Flex","offers":[{"title":"Default Title","offer_id":43700324958262,"sku":"Flex-F55-BOOST-X-TURBO-KIT","price":4104.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/7868\/6518\/files\/rn-image_picker_lib_temp_5212e17c-c835-420e-bf35-42d035864c16.jpg?v=1746142611","url":"https:\/\/www.commonrailcowboys.com\/en-nz\/products\/flex-f55-boost-x-kit-n70-1kd-300-rwhp-45-psi-high-mount","provider":"Common Rail Cowboys","version":"1.0","type":"link"}