Porsche 991 4.0 DFI GT3 RS 500 hp — Stage 1 file (+25 hp)
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Stage 1 file for Porsche 991 4.0 DFI GT3 RS 500 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Porsche 991 4.0 DFI GT3 RS 500 hp ECU
Porsche 991 (2013) 4.0 DFI GT3 RS 500 hp — sports petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1931). Stage 1 chip tuning raises power from 500 to 525 hp (+25 hp, +5%) and torque from 460 to 490 Nm (+30 Nm). A petrol engine built in 2013 — a Tricore platform without strong protection; OBD access works.
Porsche has been part of the Volkswagen Group (VAG) since 2012. Porsche is a premium sports car manufacturer from Stuttgart-Zuffenhausen, founded in 1931. The Porsche community is one of the most premium in chip tuning. Top-tier Porsche Turbo engines have significant potential with a downpipe + intake. The factory Porsche calibration is sporty, yet there is still headroom for Stage 1. Porsche shares some engines with Audi (top-tier V8s).
With a downpipe + intake, top-tier Porsche Turbo engines comfortably reach Stage 2. Within the VAG group, Porsche shares some ECUs and platforms with Audi. On pre-2017 Porsche models, Stage 1 is done via OBD without bench. A Bench read is standard procedure on modern top-tier Porsches. Top-tier Porsche engines (Turbo S, GT3, GT2 RS) sit at the brand's power ceiling; the gain is significant. Porsche engines are a proven base once supporting hardware is added.
Frequently asked questions
What is the Stage 1 effect on the Porsche 991 4.0 DFI GT3 RS 500 hp?
Stage 1 chip tuning on the Porsche 991 4.0 DFI GT3 RS 500 hp boosts engine output by 25 hp: from 500 to 525 hp. Torque rises from 460 to 490 Nm (+30 Nm).
What changes in the Porsche 991 ECU after Stage 1?
Stage 1 on the Porsche 991 4.0 DFI GT3 RS 500 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 +25 hp with no hardware changes.
What does Stage 1 give on the top-spec Porsche 991 4.0 DFI GT3 RS 500 hp?
On the top-spec Porsche 991 4.0 DFI GT3 RS 500 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 does Stage 2 differ from Stage 1 on the Porsche 991 4.0 DFI GT3 RS 500 hp?
Stage 2 for the Porsche 991 4.0 DFI GT3 RS 500 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 Stage 1 void the warranty on the Porsche 991?
Stage 1 on the Porsche 991 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 Porsche 991 4.0 DFI GT3 RS 500 hp done?
The full remap cycle for the Porsche 991 — 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 Porsche 991?
The original Porsche 991 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 Porsche 991 4.0 DFI GT3 RS 500 hp?
The cost of Stage 1 for the Porsche 991 4.0 DFI GT3 RS 500 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.