The Lexus GS 300 250hp (2005 – 2012) produces 250 hp and 310 Nm in standard form. With Stage 1 software that rises to about 270 hp and 330 Nm: a gain of 20 hp (+8%) and 20 Nm (+6%).
This is a petrol engine with a displacement of 2,995 cc and engine code 3GR-FSE. The engine is controlled by the Denso 275036-8730 (CAN). The software file can be written with tools such as Alientech KESS3, Alientech KESSv2, ByteShooter Toolbox, MagicMotorsport Flex and PCM-Flash.
Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, FLAPS and Vmax.
Frequently asked questions
How much power and torque does a Lexus GS 300 250hp gain with Stage 1?
About 20 hp and 20 Nm: from 250 hp / 310 Nm to roughly 270 hp / 330 Nm. The exact gain depends on engine condition and fuel quality.
Which ECU does a Lexus GS 300 250hp use?
Denso 275036-8730 (CAN).
Which tools can read a Lexus GS 300 250hp?
Alientech KESS3, Alientech KESSv2, ByteShooter Toolbox, MagicMotorsport Flex and PCM-Flash.
Which extra options are available for a Lexus GS 300 250hp?
DECAT, DTC Removal, FLAPS and Vmax.
Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.

