2.5T (S) - 350ch Tuning
Porsche Boxster — Detailed power and torque gains by stage.
Gains by stage(4)
Power
350 hp
Torque
420 Nm
essence
Power
350→400ch
+50 ch
+14%
Torque
420→500Nm
+80 Nm
+19%
OriginalTuned
Find a tuner
Compare certified professionals near you.
Everything about 2.5T (S) - 350ch tuning
Tuning the 2.5T (S) - 350ch 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 2.5T (S) - 350ch, tuning delivers up to +90 hp and +130 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 350 → 400 hp | 420 → 500 Nm | — |
| Stage 2 | 350 → 440 hp | 420 → 550 Nm | — |
| E85 Flexfuel | 350 → 350 hp | 420 → 420 Nm | — |
| E85+ | 350 → 400 hp | 420 → 500 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 2.5T (S) - 350ch?
Tuning the 2.5T (S) - 350ch (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 2.5T (S) - 350ch?
Yes, the 2.5T (S) - 350ch 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.