Flex
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Upgrade your Toyota Hilux / Prado / Fortuner 1GD-FTV with the Flex High Flow Black Intake Manifold. Designed to reduce restriction and improve airflow, this 3-inch intake delivers sharper throttle response, more induction sound, and the headroom to support big power builds.
⚠️ ECU REMAP REQUIRED: This is a motorsport upgrade. ECU tuning is mandatory to prevent limp mode and ensure correct operation.
Additional hardware and sensors must be removed/relocated during installation (see installation notes).
⚠️ CRITICAL: This intake is a performance upgrade and requires ECU remapping to avoid fault codes or limp mode.
Required modifications:
Ideal for serious 1GD performance builds:
Recommended supporting mods:
Generally in stock – ready for fast dispatch.
⚠️ LEAD TIME: If not in stock, allow up to 2-3+ weeks for delivery. Send us a message if you need this urgently.
For off-road / motorsport / competition use only. EGR removal and intake modifications may affect compliance. ECU tuning required. Check local regulations before purchase.
Q: Does this fit my 1GD engine?
A: Yes – it suits Toyota Hilux, Prado and Fortuner models equipped with the 1GD-FTV engine.
Q: Do I need a tune?
A: Yes – an ECU remap is mandatory for correct operation and to prevent limp mode after installation. Work with an experienced 1GD tuner.
Q: Will I need custom piping?
A: In most cases, minor piping modifications are required depending on your intercooler and intake setup.
Q: What finish does it come in?
A: This version is supplied in a matte black finish for a clean, stealthy engine bay appearance.
Q: What's the stock situation?
A: This product is generally in stock. If not in stock, allow up to 3+ weeks for delivery - send us a message if you need this urgently.
Q: What needs to be removed during installation?
A: EGR sensors, actuators, swirl flap VSVs, and throttle body must be removed. MAP sensor requires relocation. This is a full motorsport conversion.
Q: Will this pass emissions testing?
A: No – this is designed for off-road/motorsport use only. EGR removal affects emissions compliance. Not street legal in all regions.
Q: How much power will I gain?
A: Power gains depend on your complete setup. The 3-inch high-flow design eliminates intake restriction, supporting aggressive turbo setups when paired with proper tuning and supporting mods.
Q: Can I install this myself?
A: Professional installation is strongly recommended due to the complexity of sensor removal, MAP relocation, fuel line adjustment, and ECU tuning requirements.
Flex 3" high-flow intake manifold. Matte black. Eliminates restrictions. Motorsport upgrade. ECU remap mandatory. Big power support.
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 compliance verification are the buyer's responsibility.
