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Lexus IS F 5.0 V8 423hp

2005 - 2013

423 Original HP
448 Modified HP
505 Original NM
525 Modified NM
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Lexus IS

Lexus IS 2005 - 2013 F 5.0 V8 423hp

Key Specifications

Generazione 2005 - 2013
Carburante Petrol
Power 423 → 448 hp +25 hp
Torque 505 → 525 Nm +20 Nm
Power
448 HP
+25 HP (+5.9%)
Original 423 HP
Stage 1 448 HP
Torque
525 NM
+20 NM (+4%)
Original 505 NM
Stage 1 525 NM

Power Graph

Original Power 423HP
Original Torque 505Nm
Power After Remap 448HP
Torque After Remap 525Nm

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Frequently Asked Questions - Lexus IS

The cost of Stage 1 tuning for Lexus IS F 5.0 V8 423hp varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Lexus IS typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 423 to 448 HP (+6%) is within safe parameters.

With Stage 1 tuning, Lexus IS goes from 423 HP to 448 HP (+25 HP) and from 505 Nm to 525 Nm (+20 Nm).

Stage 1 remapping takes it from 423 HP to 448 HP (+25 HP, +6%) and torque from 505 Nm to 525 Nm (+20 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Lexus
Lexus IS F 5.0 V8 423hp
+25 HP
448 HP