A Ford Focus RS 305hp (2004 – 2010) makes about 350 hp and 540 Nm with Stage 1 software, compared with 305 hp and 440 Nm from the factory. That is 45 hp and 100 Nm extra.

This is a petrol engine with a displacement of 2,522 cc and engine code JZDA. The engine is controlled by the Bosch ME9. The software file can be written with tools such as Alientech K-TAG, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and 4 more.

Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map and Vmax.

Frequently asked questions

How much power and torque does a Ford Focus RS 305hp gain with Stage 1?

About 45 hp and 100 Nm: from 305 hp / 440 Nm to roughly 350 hp / 540 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Ford Focus RS 305hp use?

Bosch ME9.

Which tools can read a Ford Focus RS 305hp?

Alientech K-TAG, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash, EVC Electronic BDM100, MagicMotorsport Flex, Dimsport New Genius and Dimsport New Trasdata.

Which extra options are available for a Ford Focus RS 305hp?

DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map and Vmax.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.