3.4 DFI S - 315ch Tuning
Porsche Boxster — Detailed power and torque gains by stage.
Gains by stage(4)
Power
315 hp
Torque
360 Nm
essence
Power
315→340ch
+25 ch
+8%
Torque
360→380Nm
+20 Nm
+6%
OriginalTuned
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Everything about 3.4 DFI S - 315ch tuning
Tuning the 3.4 DFI S - 315ch found in the Porsche Boxster is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Porsche Boxster 3.4 DFI S - 315ch, tuning delivers up to +55 hp and +60 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 315 → 340 hp | 360 → 380 Nm | — |
| Stage 2 | 315 → 370 hp | 360 → 420 Nm | — |
| E85 Flexfuel | 315 → 315 hp | 360 → 360 Nm | — |
| E85+ | 315 → 340 hp | 360 → 380 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 3.4 DFI S - 315ch?
Tuning the 3.4 DFI S - 315ch (Porsche Boxster) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 3.4 DFI S - 315ch?
Yes, the 3.4 DFI S - 315ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Porsche Boxster tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Porsche Boxster?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.