Common Rail Cowboys
Flex F55 Boost X Turbo
Flex F55 Boost X Turbo
Regular price
$1,999.00 AUD
Regular price
$2,250.00 AUD
Sale price
$1,999.00 AUD
Unit price
per
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Flex F55 Boost X 'New Gen' Turbo – 1KD & 4JJ1 High-Performance Upgrade
300–350 RWHP Rated | 45 PSI Capable | Built for Big Power
✅ High Mount Manifold Compatible | ✅ Fast Spool & Mid-Range Power | ✅ Free Express Shipping Australia-Wide
Step into next-level diesel performance with the Flex F55 Boost X Turbo, built specifically for Toyota Hilux (1KD) and Isuzu/Colorado (4JJ1) engines. Featuring an aggressive 7-blade compressor wheel, increased AR housing, and high-performance bearings, this turbo offers quick spool, excellent mid-range torque, and reliable boost capability up to 45 PSI.
Perfect for builds targeting 300–350 rear-wheel horsepower with proper modifications and tuning.
🔧 Vehicle Fitment
- Toyota Hilux N70 1KD-FTV – 2005–2015 (requires aftermarket 44mm/F55 high-mount manifold)
- Holden Rodeo RA7 4JJ1 – 2007–2008
- Holden Colorado RC 4JJ1 – 2008–2012 (minor manifold mods required)
- Isuzu D-MAX 4JJ1 (non-DPF) – 2008–2016 (minor manifold mods required)
Custom manifold modification or aftermarket manifold may be required. See notes below.
💥 Turbo Highlights & Features
- 6-Blade Compressor Wheel – Rapid spool, reduced lag, excellent mid-range response
- 12% Larger Compressor AR – Increased airflow and mid-range torque
- High-Performance Bearing System – Built for sustained high boost
- 44mm / DMAX-Style Rear Flange – Direct fit for aftermarket manifolds
📦 What’s Included in Your Kit
- Flex F55 Boost X Turbocharger
- Wastegate Actuator & Relocatable Bracket
- Oil Feed & Drain Hose Kit (suits D-Max Low Mount)
- Turbo & Engine Block Oil Fittings (suits D-Max Low Mount)
- Dump Pipe Studs & Copper Nuts
⚙️ Required & Recommended Upgrades
- High Mount Manifold (44mm/F55 type) or manifold modification
- Custom Dump Pipe
- DPF & EGR Delete (for applicable models)
- Supporting Fuel & Intercooler Mods – +60/+100 injectors & intercooler, upgraded fuel pump recommended
- Custom ECU Tuning – required
- Other general modifications may be required to run this turbo.
⚠️ Fitment & Modification Notes
- Manifold drilling/tapping or port-matching may be required on some 4JJ1 models.
- 4JJ1-TCX (2016–2020 DMAX) requires custom manifold, dump pipe, DPF, and EGR delete.
💵 Buy Now, Pay Later
We support Afterpay, Humm, Klarna, and Zip – build your turbo today, pay later.
🚚 Free Express Shipping Australia-Wide
Fast, secure shipping from our Aussie warehouse – dispatched same or next business day.
