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Flex R77 Pro 44mm Turbo | 1KD | 200-250+ RWHP | Bolt-On

Flex R77 Pro 44mm Turbo | 1KD | 200-250+ RWHP | Bolt-On

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Regular price $1,703.10 AUD
Regular price $2,098.95 AUD Sale price $1,703.10 AUD
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FLEX R77 Pro – 1KD Bolt-On 44mm

200–250+ RWHP Capable | Wastegated | Direct Bolt-On Fit

⚑ Flex Ultimate Performance R77 Pro 44mm πŸ”₯ 200-250+ RWHP πŸ’ͺ Direct Bolt-On βœ… πŸ’³ Afterpay β€’ Humm β€’ Klarna β€’ Zip 🚚 Free Express Shipping AU

Take your 1KD Hilux, Hiace or Prado to the next level with the FLEX R77 Pro 44mm Turbo, a true bolt-on upgrade designed for easy installation, strong mid-range torque and a crisp wastegate note. Ideal for builds targeting 200–250+ RWHP with supporting mods.


πŸ’₯ Key Features
  • 44mm turbocharger – optimal for 200-250+ RWHP builds
  • Internal wastegate – clean, reliable boost control
  • 28–35 PSI capable – 35 PSI actuator included
  • Direct bolt-on fit – factory manifold compatible
  • Strong mid-range torque – responsive street & towing performance
  • Complete kit – includes oil lines, gaskets, fittings, actuator

πŸ“ Technical Specifications
  • Model: FLEX R77 Pro
  • Compressor: 44mm
  • Wastegate: Internal (35 PSI actuator included)
  • Boost Range: 28–35 PSI recommended
  • Power Capability: 200–250+ RWHP (with supporting mods)
  • Fitment: Direct bolt-on to 1KD-FTV

πŸ”§ Vehicle Compatibility
  • Toyota Hilux N70 – 1KD-FTV (2005–2015)
  • Toyota Prado 120 & 150 – 1KD-FTV
  • Toyota Hiace – 1KD-FTV

βœ… Factory fit: Compatible with standard exhaust and intercooler piping. Bolts to factory manifold.


πŸ“¦ Complete Kit Includes
  • βœ… FLEX R77 Pro 44mm Turbo (internal wastegate)
  • βœ… Manifold & Dump Pipe Gaskets
  • βœ… Oil Feed Line
  • βœ… AN Adapters (Banjo style)
  • βœ… Banjo Bolt & Washers
  • βœ… Oil Drain Fitting, Bolts & Gasket
  • βœ… 35 PSI Wastegate Actuator

Comprehensive kit with all essential hardware for installation.


πŸ› οΈ Installation Requirements

⚠️ CRITICAL: ECU remap required for safe operation. Professional installation and tuning strongly recommended.

Installation notes:

  • Boost reference line required (3–4mm silicone) – tee or intercooler pipe boss
  • Oil return hose setup – factory oil return modification required
  • Compressor cover tapping may be required if no boost source exists
  • Hose clamps required – 2Γ— for oil return line (not included)
  • Turbo & dump pipe studs/nuts not included β€” reuse originals or purchase separately

πŸ”§ Recommended Extras

Essential accessories:

  • 1KD VNT Simulator Module – ECU stepper motor delete (highly recommended)
  • Coolant Line Kit – available separately for complete installation
  • Boost reference setup – tee or intercooler pipe boss required
  • Oil return hose setup – factory oil return modification required

πŸ’‘ Ideal For β€” Recommended Supporting Mods

To achieve 200-250+ RWHP, pair the R77 Pro with:

Fuel System:

  • +30 or +50 Injectors/Nozzles
  • Appropriate fuel pump for higher output

Air System:

  • Front-Mount Intercooler (FMIC)
  • High-flow intake/airbox upgrade
  • 3" exhaust system

Tuning & Monitoring:

  • ECU remap mandatory – professional tuning essential
  • Boost gauge (accurate to 40 PSI)
  • EGT gauge for safety

Suggested boost: ~28 PSI minimum | Max recommended: 35 PSI (35 PSI actuator included)


πŸ’³ Payment & Shipping Options
  • πŸ’Έ Buy Now, Pay Later: Afterpay, Humm, Klarna & Zip available
  • ✈️ Free Express Shipping Australia-Wide
  • πŸ“¦ Fast dispatch – same or next business day

⚠️ Legal Notice

For off-road / competition use only. Turbo modifications may affect compliance. ECU tuning required. Check local regulations before purchase.


❓ Frequently Asked Questions

Q: Is this a direct bolt-on for my 1KD?

A: Yes β€” bolts to the factory manifold, dump and intercooler piping. Oil drain modification required for proper return flow.

Q: What boost levels should I run?

A: Typical setups run ~28–35 PSI depending on supporting mods and tuner strategy. The included 35 PSI actuator provides headroom for aggressive builds.

Q: Do I need a tune?

A: Yes. An ECU remap is mandatory to manage boost, fuelling and EGTs. Work with an experienced 1KD tuner.

Q: What supporting mods are recommended?

A: +30/+50 injectors, quality FMIC, 3" exhaust, upgraded intake and professional tuning are essential for 200-250+ RWHP.

Q: What power can I expect?

A: With proper supporting mods (injectors, FMIC, exhaust, tune), 200-250+ RWHP is achievable. Results vary based on build quality and tuning.

Q: Do I need the VNT simulator module?

A: Highly recommended. The VNT simulator deletes the ECU stepper motor, simplifying the setup and eliminating factory VNT control issues.

Q: What's included in the coolant line kit?

A: The coolant line kit is available separately and provides proper coolant feed/return for the turbo. Check product listings for details.

Q: Will this work with my factory intercooler?

A: While it will physically fit, an upgraded FMIC is strongly recommended to handle the increased airflow and boost levels for best performance and reliability.

Q: How does this compare to the VNT 44mm?

A: The R77 Pro uses an internal wastegate (simpler, more reliable) vs the VNT's variable geometry. Both are 44mm and capable of similar power, but the R77 Pro offers easier installation and tuning.

Q: Can I install this myself?

A: If you're mechanically capable, yes β€” but professional installation and tuning are strongly recommended for best results and reliability.


⚑ UPGRADE YOUR 1KD TO 200-250+ RWHP

FLEX R77 Pro 44mm. Direct bolt-on. Internal wastegate. 28-35 PSI capable. Complete kit included. Professional tune required.

Disclaimer: Common Rail Cowboys is not affiliated with Toyota Motor Corporation or FLEX Thailand. Installation should be performed by a qualified technician. Professional ECU tuning is mandatory. Proper installation and supporting modifications are the buyer's responsibility.

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