.product-description details summary { cursor: pointer; list-style: none; position: relative; padding-left: 16px; font-weight: bold; margin: 8px 0; } .product-description details summary::before { content: "›"; /* angled arrow */ position: absolute; left: 0; top: 2px; transition: transform 0.2s ease; font-size: 1.2em; line-height: 1; } .product-description details[open] summary::before { transform: rotate(90deg); } .product-description details div { padding: 8px 0 6px 18px; } FLEX Intercooler – Isuzu D-MAX / MU-X (2012–2020) ✅ Drop-in Replacement | ✅ Monoblock Core | ✅ Supports F44 & F55 Turbos | ✅ Free Express Shipping AU-Wide Built for Cool, Consistent Power The FLEX Monoblock Intercooler for Isuzu D-MAX / MU-X (2012–2020) is a bolt-in, high-performance upgrade that replaces the restrictive factory unit. Designed to keep charge-air temps low on tuned 4JJ1 setups, it delivers stronger, more repeatable power on road, tow, or track—without cutting or welding. 🔧 Key Benefits Massive surface area vs. factory for superior heat rejection (approx. 605 × 255 × 65 mm core) Monoblock construction for durability and efficient airflow Supports high-boost builds – tested to 100 psi Perfect match for F44 & F55 turbos and other aftermarket setups No fabrication required – mounts to the factory location Factory pipe compatibility – suits 2.5" inlet & outlet 📐 Specifications Vehicle Platform Isuzu D-MAX / MU-X (Gen 2) 2012–2020 Engine 4JJ1 Core Size (approx.) 605 × 255 × 65 mm Boost Capability Up to 100 psi Inlet / Outlet 2.5" (factory pipes) Install Direct bolt-in—no cutting, drilling or welding 🚙 Compatible Vehicles Isuzu D-MAX 2012–2020 (4JJ1) Isuzu MU-X 2013–2020 (4JJ1) 📦 What’s Included FLEX Monoblock Intercooler Assembly Uses factory mounting hardware (direct fit) 📝 Notes Designed to work with the OEM 2.5" intercooler piping. If you’re running custom piping, confirm coupler sizing before install. Performance gains depend on tune, turbo, ambient temps, and load. 🤠 Why Buy from Common Rail Cowboys Free Express Shipping Australia-Wide Afterpay / Humm / Klarna / Zip available at checkout QLD-based diesel specialists—real support for real builds Frequently Asked Questions Will this work with my F44 or F55 turbo? Yes—this intercooler is designed to support popular D-MAX/MU-X upgrade paths including Low Mount F44 and F55 turbos, keeping IATs in check under sustained load. Do I need to modify anything? No. It fits the factory location and interfaces with the OEM 2.5" intercooler pipes. Always test-fit and re-torque clamps after a heat cycle. How much power will I gain? Intercoolers don’t add power by themselves—they enable your tune and turbo to hold power longer by controlling intake temps. Expect improved consistency when towing or in hot conditions. Availability: Generally in stock; if sold out, allow ~1–3 weeks for dispatch. For urgent timelines, message us before ordering. Ready to keep EGTs down and power up?Add the FLEX Intercooler to cart now—Free Express Shipping included.
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