Lexus GS chiptuning
Lexus GS IV (2012 - 2015)
6 engines, 6 with software, Stage 1 from 1,599 RON, up to +15 HP; 1.5-2 hours in the workshop, measured on the Bapro dyno, before and after.
Lexus GS IV (2012 - 2015) engines: stock, Stage 1, gain, price
EngineStock → Stage 1GainPrice
petrol
250 (3.0 V6)209 HP · 253 Nm stock209→224 HP+15 HP, +15 Nm1,599 RONStage 1, finalSee the sheet →350 (3.5 V6)306 HP · 376 Nm stock306→321 HP+15 HP, +15 Nm2,499 RONStage 1, finalSee the sheet →350 (3.5 V6)317 HP · 378 Nm stock317→332 HP+15 HP, +15 Nm2,499 RONStage 1, finalSee the sheet →hybrid
300H (2.5i)223 HP · 221 Nm stock223→235 HP+12 HP, +10 Nm1,599 RONStage 1, finalSee the sheet →450H (3.5 V6)338 HP · 344 Nm stock338→353 HP+15 HP, +15 Nm1,799 RONStage 1, finalSee the sheet →450H (3.5 V6)345 HP · 352 Nm stock345→360 HP+15 HP, +15 Nm1,799 RONStage 1, finalSee the sheet →Average values from repeated dyno measurements; your own figure is read on the dyno. The price is final, with diagnostics and the measurement included. Catalogue updated on 20 October 2026.
Other GS generations
Cannot find your car or want to ask something?
Write to us on WhatsApp with the brand, model and engine, we reply Monday to Saturday 09:00-19:00.