{"product_id":"flex-hard-pipes-4jj1-d-max-mu-x-colorado-black-or-polished","title":"Flex Hard Pipes 4JJ1 | D-MAX MU-X Colorado | Black or Polished","description":"\u003c!-- ==================== Product: FLEX Intercooler Hard Pipes – D-MAX \/ MU-X \/ RG Colorado (2012–2016, 4JJ1) ==================== --\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  \/* 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 Intercooler Hard Pipes – D-MAX \/ MU-X \/ RG Colorado\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2 style=\"text-align: center; margin: 0 0 10px;\"\u003e2012–2016 (4JJ1) | High-Boost Ready | Black or Polished\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-red\"\u003eAlloy Hard Pipes 🔥\u003c\/span\u003e \u003cspan class=\"badge-green\"\u003eDirect Bolt-On ✅\u003c\/span\u003e \u003cspan class=\"badge-grey\"\u003eHigh-Boost Ready 💪\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\u003eDump the spongy factory rubber. This full hard-pipe run replaces every OEM rubber section from the \u003cem\u003eturbo compressor outlet\u003c\/em\u003e to the \u003cem\u003eintake manifold\u003c\/em\u003e, delivering sharper throttle response and rock-solid boost control on tuned 4JJ1 \/ Duramax setups.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e💡 Why Hard Pipes?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo ballooning under boost\u003c\/strong\u003e – maintains consistent flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost-stable\u003c\/strong\u003e for tuned \u0026amp; towing builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner engine bay\u003c\/strong\u003e \u0026amp; easier leak detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharper throttle response\u003c\/strong\u003e vs rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e – outlasts factory rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-boost capable\u003c\/strong\u003e – supports aggressive turbo setups\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\u003eMaterial:\u003c\/strong\u003e Alloy hard pipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Options:\u003c\/strong\u003e Black or Polished Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamps:\u003c\/strong\u003e Heavy-duty T-Bar clamps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRouting:\u003c\/strong\u003e Turbo → Intercooler → Intake manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCouplers:\u003c\/strong\u003e Black silicone (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Model-specific design\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\n\u003cstrong\u003eIsuzu D-MAX\u003c\/strong\u003e 2012–2016 (4JJ1, pre-DPF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsuzu MU-X\u003c\/strong\u003e 2012–2016 (4JJ1, pre-DPF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolden Colorado RG\u003c\/strong\u003e Series 1 Duramax (check your piping matches the photos)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"background: #e3f2fd; padding: 10px; border-radius: 4px; margin-top: 8px;\"\u003e\u003cstrong\u003e✅ Direct bolt-on:\u003c\/strong\u003e Model-specific design replaces factory rubber pipes with no modifications.\u003c\/p\u003e\n\u003cp style=\"background: #fff3cd; padding: 10px; border-radius: 4px; margin-top: 8px;\"\u003e\u003cstrong\u003e⚠️ IMPORTANT:\u003c\/strong\u003e Confirm fitment by checking your current piping matches the product photos. Message us with your VIN if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e📦 What's Included\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-specific hard pipe set\u003c\/strong\u003e (Turbo → Intercooler → Intake)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack silicone couplers\u003c\/strong\u003e – high-quality connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Bar clamps\u003c\/strong\u003e – heavy-duty stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: .95em; color: #555; margin-top: 8px;\"\u003e\u003cem\u003eComplete kit ready for installation. Choose Black or Polished finish at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🛠️ Installation \u0026amp; Tips\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation recommended for best results.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry-fit before tightening\u003c\/strong\u003e – check alignment and clearances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegrease pipe lips \u0026amp; couplers\u003c\/strong\u003e – ensures proper seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure-test to 20–25 PSI\u003c\/strong\u003e – verify no leaks before driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-torque after heat cycle\u003c\/strong\u003e – check all clamps after first drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for interference\u003c\/strong\u003e – ensure pipes clear all components through full suspension travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e\n\u003csummary\u003e💡 Perfect For — Recommended Applications\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuned 4JJ1 builds\u003c\/strong\u003e – eliminate rubber ballooning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-boost setups\u003c\/strong\u003e – stable flow under pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTowing applications\u003c\/strong\u003e – consistent performance under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine bay aesthetics\u003c\/strong\u003e – clean, professional appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo upgrades\u003c\/strong\u003e – perfect complement to Flex Mini F55 or F55 Boost X\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📦 Same \/ next business day dispatch when in stock\u003c\/li\u003e\n\u003cli\u003e🔍 \u003cstrong\u003eStock status:\u003c\/strong\u003e If temporarily out of stock, we'll confirm ETA after purchase\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 Intake modifications may affect compliance. 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: Are these a direct bolt-on replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes – model-specific design replaces factory rubber pipes from turbo to intake manifold with no modifications required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What finish should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Black for a stealthy OEM+ look, Polished for a show-quality engine bay. Both are equally durable and high-boost capable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these work with my aftermarket turbo?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes – designed to work with factory or aftermarket turbos. Perfect complement to Flex Mini F55, F55 Boost X, or other 4JJ1 turbo upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a tune after installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No tune is required for hard pipes alone. However, if you're running a tuned vehicle with high boost, hard pipes are essential to prevent rubber ballooning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much boost can these handle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The alloy construction and heavy-duty T-bar clamps are designed for high-boost applications. Properly installed, they'll handle whatever your turbo and tune can produce.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will I need to modify anything during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No modifications required for standard applications. Dry-fit first and ensure proper clearance. Some aftermarket setups may require minor adjustments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this and factory rubber?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Factory rubber pipes expand under boost (ballooning), reducing throttle response and potentially causing boost leaks. Hard pipes maintain consistent flow and eliminate these issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm fitment for my vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Check your current piping matches the product photos. Message us with your VIN if unsure and we'll confirm fitment before dispatch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install these myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, if you're mechanically capable. Dry-fit first, degrease all surfaces, and pressure-test after installation. Professional installation recommended for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these fit 2017+ D-MAX\/MU-X?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No – this kit is specifically for 2012-2016 models (4JJ1, pre-DPF). Later models have different piping configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003c!-- PINK BANNER CTA - Flex Theme --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #e91e63 0%, #e91e63 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(233, 30, 99, 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(0,0,0,0.3);\"\u003e\u003cstrong\u003e⚡ ELIMINATE BOOST BALLOONING\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #fff; text-shadow: 0 0 5px rgba(0,0,0,0.3);\"\u003e\u003cem\u003eFLEX alloy hard pipes. No ballooning. Rock-solid boost. Sharper response. Black or polished. Complete kit with couplers \u0026amp; clamps.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; margin: 20px 0;\"\u003eQuestions? \u003cstrong\u003eMessage Common Rail Cowboys\u003c\/strong\u003e with your VIN and we'll confirm fitment before dispatch.\u003c\/p\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 Isuzu Motors, Holden, or FLEX Thailand. Installation should be performed by a qualified technician. Proper installation, pressure testing and fitment verification are the buyer's responsibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Flex","offers":[{"title":"Black","offer_id":44110569209910,"sku":"2012-2016-FLEX- BLACK-IC-PIPES","price":782.0,"currency_code":"NZD","in_stock":true},{"title":"Silver","offer_id":44110569242678,"sku":"2012-2016-FLEX- ALLOY-IC-PIPES","price":663.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/7868\/6518\/files\/rn-image_picker_lib_temp_272ac363-4581-46b7-868e-025bbcbd5ce7.png?v=1757672690","url":"https:\/\/www.commonrailcowboys.com\/en-nz\/products\/flex-hard-pipes-4jj1-d-max-mu-x-colorado-black-or-polished","provider":"Common Rail Cowboys","version":"1.0","type":"link"}