Honda Civic 1.5 i-VTEC 173 hp — Stage 1 file (+47 hp)

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Chip tuning for Honda Civic 1.5 i-VTEC 173 hp ECU

Honda Civic (2017 - FK8) 1.5 i-VTEC 173 hp — mass-market petrol engine of the passenger segment of the Honda Motor Company (независимый) group (Япония, 1948). Stage 1 chip tuning raises power from 173 to 220 hp (+47 hp, +27%) and torque from 220 to 300 Nm (+80 Nm). ECU — Keihin 37820-5Ax. Flashing method: OBD or Bench depending on the unit's protection. The 2017 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

Honda is a Japanese carmaker and the world's largest engine producer, founded in 1948. Honda is an independent brand, not part of any group. Acura is Honda's premium sub-brand for North America. Hondata is the main Honda tuning channel via FlashPro and K-Pro (rather than standard WinOLS). The Honda L series is a family of modern turbo engines (L15, Civic Type R). The Honda K series is an iconic line of naturally aspirated and turbo engines (K20, K24).

The Honda community has one of the strongest JDM cultures (Civic Type R, NSX, Acura). Hondata K-Pro / FlashPro is the main tuning channel, rather than standard WinOLS. Mid-range Honda — naturally aspirated with a conservative factory calibration; Stage 1 delivers a modest gain.

Frequently asked questions

What power gain do you get after chip tuning the Honda Civic 1.5 i-VTEC 173 hp?

The Stage 1 gain for the Honda Civic 1.5 i-VTEC 173 hp is 47 hp (+27%) over the stock 173 hp, for a total of 220 hp. Torque rises from 220 to 300 Nm (+80 Nm).

What is Stage 1 chip tuning for the Honda Civic?

Stage 1 is a software optimization of the factory ECU firmware of the Honda Civic with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +47 hp with no hardware changes.

What is the risk of Stage 1 on the Honda Civic 1.5 i-VTEC 173 hp?

A remap of the Honda Civic 1.5 i-VTEC 173 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Honda Civic 1.5 i-VTEC 173 hp?

Stage 2 on the Honda Civic 1.5 i-VTEC 173 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What ECU platform does the Honda Civic 1.5 i-VTEC 173 hp use?

The Honda Civic 1.5 i-VTEC 173 hp is fitted with the Keihin 37820-5Ax ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.

Does the factory warranty of the Honda Civic remain valid after Stage 1?

After remapping the Honda Civic, 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 Honda Civic?

Reading and writing via OBD takes 25-30 minutes on the Honda Civic. 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 Honda Civic?

Before Stage 1 the original of the Honda Civic 1.5 i-VTEC 173 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Honda Civic 1.5 i-VTEC 173 hp cost?

The remap price for the Honda Civic 1.5 i-VTEC 173 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno