Porsche Boxster 3.4i 24v S 310 hp — Stage 1 file (+25 hp)

or choose step by step
1
Choose a vehicle type

Chip tuning for Porsche Boxster 3.4i 24v S 310 hp ECU

Porsche Boxster (2005 - 987) 3.4i 24v S 310 hp — sports petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1931). Stage 1 chip tuning raises power from 310 to 335 hp (+25 hp, +8%) and torque from 350 to 370 Nm (+20 Nm). A petrol engine built in 2005 — the era before widespread firmware encryption, OBD flash without complications.

The 911 has been Porsche's iconic model since 1963 and a benchmark sports car. Porsche specialises in sports cars, roadsters and premium SUVs. Porsche has been part of the Volkswagen Group (VAG) since 2012. On older-generation petrol Porsche models, Stage 1 is done via OBD without bench.

On Porsche performance petrol engines, Stage 1 delivers a noticeable gain even on stock hardware. On Porsche, Stage 1 is a premium service that more often requires manual validation. Within the VAG group, Porsche shares some ECUs and platforms with Audi. On the Porsche Turbo, Stage 1 delivers a solid gain even on stock hardware. High-output Porsche models run a high-output platform with solid headroom for Stage 1.

Frequently asked questions

How many horsepower does the Porsche Boxster 3.4i 24v S 310 hp reach after a remap?

Stage 1 for the Porsche Boxster 3.4i 24v S 310 hp adds +25 hp — power increases from 310 to 335 hp (+8%). Torque rises from 350 to 370 Nm (+20 Nm).

What does a Stage 1 remap of the Porsche Boxster 3.4i 24v S 310 hp include?

Stage 1 chip tuning of the Porsche Boxster is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +25 hp with no hardware changes.

Is Stage 1 safe on the high-output Porsche Boxster 3.4i 24v S 310 hp?

Stage 1 on the powerful Porsche Boxster 3.4i 24v S 310 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 Porsche Boxster?

Stage 2 for the Porsche Boxster 3.4i 24v S 310 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 Porsche Boxster warranty after chip tuning?

The factory warranty of the Porsche Boxster 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 Porsche Boxster take?

On the Porsche Boxster 3.4i 24v S 310 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 Porsche Boxster?

Yes, the original ECU firmware of the Porsche Boxster 3.4i 24v S 310 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 Porsche Boxster?

Stage 1 for the Porsche Boxster 3.4i 24v S 310 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