Porsche 991 3.8 DFI Carrera S 400 hp — Stage 1 file (+20 hp)
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Stage 1 file for Porsche 991 3.8 DFI Carrera S 400 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Porsche 991 3.8 DFI Carrera S 400 hp ECU
Porsche 991 (2013) 3.8 DFI Carrera S 400 hp — sports petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1931). Stage 1 chip tuning raises power from 400 to 420 hp (+20 hp, +5%) and torque from 440 to 460 Nm (+20 Nm). The 2013 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.
Porsche specialises in sports cars, roadsters and premium SUVs. 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 GT3 / GT2 RS form a calibration segment of their own. 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.
On Porsche, Stage 1 is a premium service that more often requires manual validation. 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. 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
How much does the power of the Porsche 991 3.8 DFI Carrera S 400 hp increase after Stage 1?
The Stage 1 gain for the Porsche 991 3.8 DFI Carrera S 400 hp is 20 hp (+5%) over the stock 400 hp, for a total of 420 hp. Torque rises from 440 to 460 Nm (+20 Nm).
What is Stage 1 chip tuning for the Porsche 991?
Stage 1 on the Porsche 991 3.8 DFI Carrera S 400 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 +20 hp with no hardware changes.
What does Stage 1 give on the top-spec Porsche 991 3.8 DFI Carrera S 400 hp?
Stage 1 for the Porsche 991 3.8 DFI Carrera S 400 hp unlocks the potential built in by the factory but artificially capped to meet mass-market targets. A base of 750-800 hp is achievable once hardware is added.
How does Stage 2 differ from Stage 1 on the Porsche 991 3.8 DFI Carrera S 400 hp?
Stage 2 on the Porsche 991 3.8 DFI Carrera S 400 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
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 3.8 DFI Carrera S 400 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 3.8 DFI Carrera S 400 hp?
The cost of Stage 1 for the Porsche 991 3.8 DFI Carrera S 400 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.