Toyota Avalon 3.5i V6 (2GRFKS) 300 hp — Stage 1 file (+10 hp)

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Chip tuning for Toyota Avalon 3.5i V6 (2GRFKS) 300 hp ECU

Toyota Avalon (2019) 3.5i V6 (2GRFKS) 300 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 300 to 310 hp (+10 hp, +3%) and torque from 362 to 372 Nm (+10 Nm). A 2019 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Lexus is Toyota's premium sub-brand. 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.

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. The GR models (Yaris GR, Supra) have a growing tuning culture. 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 Toyota Avalon 3.5i V6 (2GRFKS) 300 hp?

Stage 1 for the Toyota Avalon 3.5i V6 (2GRFKS) 300 hp adds +10 hp — power increases from 300 to 310 hp (+3%). Torque rises from 362 to 372 Nm (+10 Nm).

What does a Stage 1 remap of the Toyota Avalon 3.5i V6 (2GRFKS) 300 hp include?

Stage 1 chip tuning of the Toyota Avalon 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 Toyota Avalon 3.5i V6 (2GRFKS) 300 hp?

Stage 1 on the powerful Toyota Avalon 3.5i V6 (2GRFKS) 300 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 Toyota Avalon?

Stage 2 for the Toyota Avalon 3.5i V6 (2GRFKS) 300 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.

What happens to the Toyota Avalon warranty after chip tuning?

The factory warranty of the Toyota Avalon 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 Toyota Avalon take?

On the Toyota Avalon 3.5i V6 (2GRFKS) 300 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 Toyota Avalon?

Yes, the original ECU firmware of the Toyota Avalon 3.5i V6 (2GRFKS) 300 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 Toyota Avalon?

Stage 1 for the Toyota Avalon 3.5i V6 (2GRFKS) 300 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.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno