Infiniti G 3.5 V6 (2002) 280 hp — Stage 1 file (+15 hp)

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Chip tuning for Infiniti G 3.5 V6 (2002) 280 hp ECU

Infiniti G (2002) 3.5 V6 (2002) 280 hp — premium petrol engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Япония, 1933). Stage 1 chip tuning raises power from 280 to 295 hp (+15 hp, +5%) and torque from 366 to 380 Nm (+14 Nm). A petrol engine built in 2002 — the era before widespread firmware encryption, OBD flash without complications.

Infiniti is part of the Renault-Nissan-Mitsubishi Alliance via Nissan. Infiniti is Nissan's premium sub-brand, launched in 1989 for North America. The Infiniti range comprises premium saloons, crossovers and coupes. The GT-R is Nissan's flagship supercar with a BiTurbo V6. Nissan's petrol range covers mainstream turbocharged and naturally aspirated engines. High-output Nissan models deliver a solid gain with Stage 1.

The GT-R community is an industry of its own with ready-made Stage files. The Nissan community in the JDM segment is the world's largest for the GT-R. High-output Nissan models deliver a solid gain with Stage 1.

Frequently asked questions

What power gain do you get after chip tuning the Infiniti G 3.5 V6 (2002) 280 hp?

Stage 1 chip tuning on the Infiniti G 3.5 V6 (2002) 280 hp boosts engine output by 15 hp: from 280 to 295 hp. Torque rises from 366 to 380 Nm (+14 Nm).

What changes in the Infiniti G ECU after Stage 1?

Stage 1 chip tuning of the Infiniti G is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +15 hp with no hardware changes.

Is Stage 1 safe on the high-output Infiniti G 3.5 V6 (2002) 280 hp?

Stage 1 on the powerful Infiniti G 3.5 V6 (2002) 280 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 Infiniti G?

Stage 2 for the Infiniti G 3.5 V6 (2002) 280 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 Infiniti G warranty after chip tuning?

The factory warranty of the Infiniti G 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 Infiniti G take?

On the Infiniti G 3.5 V6 (2002) 280 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 Infiniti G?

Yes, the original ECU firmware of the Infiniti G 3.5 V6 (2002) 280 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 Infiniti G?

Stage 1 for the Infiniti G 3.5 V6 (2002) 280 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno