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 (2014) 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 petrol engine built in 2014 — a Tricore platform without strong protection; OBD access works.
GR (Gazoo Racing) is Toyota's performance division (GR Yaris, GR Corolla, GR Supra, GR86). The GR Supra uses the BMW B58 straight-six, an unusual turbo engine for Toyota. The top GR models (Supra, Yaris GR) offer significant potential with hardware upgrades. 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. 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
How much does the power of the Toyota Tundra 5.7i VVTI D-4S 386 hp increase after Stage 1?
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 chip tuning of the Toyota Tundra is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +14 hp with no hardware changes.
What is the Stage 1 potential of the Toyota Tundra 5.7i VVTI D-4S 386 hp?
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.
How much does Stage 2 add on the Toyota Tundra?
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.
What happens to the Toyota Tundra warranty after chip tuning?
The factory warranty of the Toyota Tundra does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Toyota Tundra take?
On the Toyota Tundra 5.7i VVTI D-4S 386 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Toyota Tundra?
Yes, the original ECU firmware of the Toyota Tundra 5.7i VVTI D-4S 386 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Toyota Tundra?
Stage 1 for the Toyota Tundra 5.7i VVTI D-4S 386 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.