Toyota Tundra 5.7i VVTI D-4S 386 hp — Stage 1 file (+14 hp)
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Stage 1 file for Toyota Tundra 5.7i VVTI D-4S 386 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Toyota Tundra 5.7i VVTI D-4S 386 hp ECU
Toyota Tundra (2021) 5.7i VVTI D-4S 386 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 386 to 400 hp (+14 hp, +4%) and torque from 544 to 560 Nm (+16 Nm). In the CHIPOK database: 3 configurations. A 2021 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.
Toyota Motor Corporation includes Lexus, Daihatsu and a stake in Subaru. The top GR models (Supra, Yaris GR) offer significant potential with hardware upgrades. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform).
The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The GR Supra with the BMW B58 is a segment of its own, handled with BMW tooling. The top Toyota GR engines (Supra, Yaris GR) mark the ceiling of the Japanese performance segment.
Frequently asked questions
What is the Stage 1 effect on the Toyota Tundra 5.7i VVTI D-4S 386 hp?
Stage 1 chip tuning on the Toyota Tundra 5.7i VVTI D-4S 386 hp boosts engine output by 14 hp: from 386 to 400 hp. Torque rises from 544 to 560 Nm (+16 Nm).
What changes in the Toyota Tundra ECU after Stage 1?
Stage 1 is a software optimization of the factory ECU firmware of the Toyota Tundra with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +14 hp with no hardware changes.
Does Stage 1 make sense on the Toyota Tundra 5.7i VVTI D-4S 386 hp with this much power?
On the top-spec Toyota Tundra 5.7i VVTI D-4S 386 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
What is Stage 2 for the Toyota Tundra 5.7i VVTI D-4S 386 hp?
Stage 2 for the Toyota Tundra 5.7i VVTI D-4S 386 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Does the factory warranty of the Toyota Tundra remain valid after Stage 1?
After remapping the Toyota Tundra, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Toyota Tundra?
Reading and writing via OBD takes 25-30 minutes on the Toyota Tundra. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Toyota Tundra?
Before Stage 1 the original of the Toyota Tundra 5.7i VVTI D-4S 386 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Toyota Tundra 5.7i VVTI D-4S 386 hp cost?
The remap price for the Toyota Tundra 5.7i VVTI D-4S 386 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.