Lexus ES 350 (3.5i V6) 315 hp — Stage 1 file (+10 hp)

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Chip tuning for Lexus ES 350 (3.5i V6) 315 hp ECU

Lexus ES (2018) 350 (3.5i V6) 315 hp — premium petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 315 to 325 hp (+10 hp, +3%) and torque from 380 to 400 Nm (+20 Nm). A 2018 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Lexus is the premium sub-brand of the Toyota Motor Corporation, launched in 1989. F is Lexus's performance division (LFA, RC F, IS F). The Lexus LC and LS are the brand's flagship models, powered by V8 and V6 engines. Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series. The GR Supra uses the BMW B58 straight-six, an unusual turbo engine for Toyota. The Toyota GR-series delivers a solid gain from Stage 1 on the turbo engines.

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

How much horsepower does Stage 1 add for the Lexus ES 350 (3.5i V6) 315 hp?

Stage 1 for the Lexus ES 350 (3.5i V6) 315 hp adds +10 hp — power increases from 315 to 325 hp (+3%). Torque rises from 380 to 400 Nm (+20 Nm).

What does a Stage 1 remap of the Lexus ES 350 (3.5i V6) 315 hp include?

Stage 1 is a software optimization of the factory ECU firmware of the Lexus ES with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +10 hp with no hardware changes.

Do you need hardware changes for Stage 1 on the Lexus ES?

Stage 1 on the powerful Lexus ES 350 (3.5i V6) 315 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).

What is Stage 2 for the Lexus ES 350 (3.5i V6) 315 hp?

Stage 2 for the Lexus ES 350 (3.5i V6) 315 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 the factory warranty of the Lexus ES remain valid after Stage 1?

After remapping the Lexus ES, 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 ES?

Reading and writing via OBD takes 25-30 minutes on the Lexus ES. 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 ES?

Before Stage 1 the original of the Lexus ES 350 (3.5i V6) 315 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Lexus ES 350 (3.5i V6) 315 hp cost?

The remap price for the Lexus ES 350 (3.5i V6) 315 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno