Lexus RX 350 (2.4T) 279 hp — Stage 1 file (+31 hp)
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Stage 1 file for Lexus RX 350 (2.4T) 279 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Lexus RX 350 (2.4T) 279 hp ECU
Lexus RX (2022) 350 (2.4T) 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 310 hp (+31 hp, +11%) and torque from 430 to 490 Nm (+60 Nm). A modern petrol engine built in 2022 — a generation with encrypted ECU protection (Tricore TPROT); top engines require Bench.
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 GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. 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 (2.4T) 279 hp?
After Stage 1 the power of the Lexus RX 350 (2.4T) 279 hp rises from 279 to 310 hp, a gain of 31 hp (+11%). Torque rises from 430 to 490 Nm (+60 Nm).
How does Stage 1 differ from stock on the Lexus RX?
Stage 1 is a software optimization of the factory ECU firmware of the Lexus RX with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +31 hp with no hardware changes.
Do you need hardware changes for Stage 1 on the Lexus RX?
The high-output Lexus RX 350 (2.4T) 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.
What is Stage 2 for the Lexus RX 350 (2.4T) 279 hp?
Stage 2 on the Lexus RX 350 (2.4T) 279 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Does the factory warranty of the Lexus RX remain valid after Stage 1?
After remapping the Lexus RX, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Lexus RX?
Reading and writing via OBD takes 25-30 minutes on the Lexus RX. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Lexus RX?
Before Stage 1 the original of the Lexus RX 350 (2.4T) 279 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Lexus RX 350 (2.4T) 279 hp cost?
The remap price for the Lexus RX 350 (2.4T) 279 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.