Lexus RX 350 (3.5i V6) 279 hp — Stage 1 file (+10 hp)
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Stage 1 file for Lexus RX 350 (3.5i V6) 279 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Lexus RX 350 (3.5i V6) 279 hp ECU
Lexus RX (2009) 350 (3.5i V6) 279 hp — premium petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 279 to 289 hp (+10 hp, +4%) and torque from 346 to 366 Nm (+20 Nm). In the CHIPOK database: 2 configurations. A petrol engine built in 2009 — the era before widespread firmware encryption, OBD flash without complications.
Lexus specialises in premium saloons and SUVs. Lexus shares platforms and engines with Toyota's premium segment. Lexus is the premium sub-brand of the Toyota Motor Corporation, launched in 1989. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform). Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series.
The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.
Frequently asked questions
What power gain do you get after chip tuning the Lexus RX 350 (3.5i V6) 279 hp?
Stage 1 for the Lexus RX 350 (3.5i V6) 279 hp adds +10 hp — power increases from 279 to 289 hp (+4%). Torque rises from 346 to 366 Nm (+20 Nm).
What does a Stage 1 remap of the Lexus RX 350 (3.5i V6) 279 hp include?
Stage 1 on the Lexus RX 350 (3.5i V6) 279 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +10 hp with no hardware changes.
What does Stage 1 give on the powerful Lexus RX 350 (3.5i V6) 279 hp?
Stage 1 on the powerful Lexus RX 350 (3.5i V6) 279 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 does Stage 2 differ from Stage 1 on the Lexus RX 350 (3.5i V6) 279 hp?
Stage 2 for the Lexus RX 350 (3.5i V6) 279 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.
Does Stage 1 void the warranty on the Lexus RX?
Stage 1 on the Lexus RX voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the Lexus RX 350 (3.5i V6) 279 hp done?
The full remap cycle for the Lexus RX — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the Lexus RX?
The original Lexus RX ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the Lexus RX 350 (3.5i V6) 279 hp?
The cost of Stage 1 for the Lexus RX 350 (3.5i V6) 279 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.