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 (2003) 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. The 2003 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.
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. The Toyota GR-series delivers a solid gain from Stage 1 on the turbo engines. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform).
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 is the Stage 1 effect on the Lexus RX 350 (3.5i V6) 279 hp?
After Stage 1 the power of the Lexus RX 350 (3.5i V6) 279 hp rises from 279 to 289 hp, a gain of 10 hp (+4%). Torque rises from 346 to 366 Nm (+20 Nm).
How does Stage 1 differ from stock on the Lexus RX?
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?
The high-output Lexus RX 350 (3.5i V6) 279 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
How does Stage 2 differ from Stage 1 on the Lexus RX 350 (3.5i V6) 279 hp?
Stage 2 on the Lexus RX 350 (3.5i V6) 279 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
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.