Lexus RX 450h (3.5i V6) 299 hp — Stage 1 file (+10 hp)
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Stage 1 file for Lexus RX 450h (3.5i V6) 299 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Lexus RX 450h (3.5i V6) 299 hp ECU
Lexus RX (2009) 450h (3.5i V6) 299 hp — premium hybrid engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 299 to 309 hp (+10 hp, +3%) and torque from 335 to 355 Nm (+20 Nm). ECU — Denso 76F00XX. Flashing method: OBD or Bench depending on the unit's protection.
The Lexus LC and LS are the brand's flagship models, powered by V8 and V6 engines. Lexus specialises in premium saloons and SUVs. Lexus shares platforms and engines with Toyota's premium segment. On Toyota's electric and hybrid models, the inverter and BMS are locked. Hybrid Synergy Drive underpins Toyota's hybrid range (Prius, RAV4, Camry). Toyota is the world leader in hybrid production volume.
The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Toyota Denso ECU requires dedicated read/write tooling. High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.
Frequently asked questions
What is the Stage 1 effect on the Lexus RX 450h (3.5i V6) 299 hp?
Stage 1 chip tuning on the Lexus RX 450h (3.5i V6) 299 hp boosts engine output by 10 hp: from 299 to 309 hp. Torque rises from 335 to 355 Nm (+20 Nm).
What changes in the Lexus RX ECU after Stage 1?
Stage 1 chip tuning of the Lexus RX is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +10 hp with no hardware changes.
Is Stage 1 safe on the high-output Lexus RX 450h (3.5i V6) 299 hp?
Stage 1 on the powerful Lexus RX 450h (3.5i V6) 299 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How much does Stage 2 add on the Lexus RX?
Stage 2 for the Lexus RX 450h (3.5i V6) 299 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Which ECU is fitted to the Lexus RX 450h (3.5i V6) 299 hp?
The Lexus RX 450h (3.5i V6) 299 hp ECU is the Denso 76F00XX. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Lexus RX warranty after chip tuning?
The factory warranty of the Lexus RX does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Lexus RX take?
On the Lexus RX 450h (3.5i V6) 299 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Lexus RX?
Yes, the original ECU firmware of the Lexus RX 450h (3.5i V6) 299 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Lexus RX?
Stage 1 for the Lexus RX 450h (3.5i V6) 299 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.