Lexus IS 350 (3.5i V6) 306 hp — Stage 1 file (+10 hp)
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Stage 1 file for Lexus IS 350 (3.5i V6) 306 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Lexus IS 350 (3.5i V6) 306 hp ECU
Lexus IS (2005) 350 (3.5i V6) 306 hp — premium petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 306 to 316 hp (+10 hp, +3%) and torque from 376 to 396 Nm (+20 Nm). In the CHIPOK database: 2 configurations. The 2005 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.
F is Lexus's performance division (LFA, RC F, IS F). The Lexus LC and LS are the brand's flagship models, powered by V8 and V6 engines. Lexus specialises in premium saloons and SUVs. The GR Supra uses the BMW B58 straight-six, an unusual turbo engine for Toyota. The Toyota GR-series delivers a solid gain from Stage 1 on the turbo engines. Toyota has historically focused on naturally aspirated, high-compression engines.
The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.
Frequently asked questions
How much does the power of the Lexus IS 350 (3.5i V6) 306 hp increase after Stage 1?
After Stage 1 the power of the Lexus IS 350 (3.5i V6) 306 hp rises from 306 to 316 hp, a gain of 10 hp (+3%). Torque rises from 376 to 396 Nm (+20 Nm).
How does Stage 1 differ from stock on the Lexus IS?
Stage 1 on the Lexus IS 350 (3.5i V6) 306 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +10 hp with no hardware changes.
What does Stage 1 give on the powerful Lexus IS 350 (3.5i V6) 306 hp?
The high-output Lexus IS 350 (3.5i V6) 306 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
How does Stage 2 differ from Stage 1 on the Lexus IS 350 (3.5i V6) 306 hp?
Stage 2 on the Lexus IS 350 (3.5i V6) 306 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Does Stage 1 void the warranty on the Lexus IS?
Stage 1 on the Lexus IS voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the Lexus IS 350 (3.5i V6) 306 hp done?
The full remap cycle for the Lexus IS — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the Lexus IS?
The original Lexus IS ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the Lexus IS 350 (3.5i V6) 306 hp?
The cost of Stage 1 for the Lexus IS 350 (3.5i V6) 306 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.