3.8i GT3 RS Cup - 450ch Tuning
Porsche 997 — Detailed power and torque gains by stage.
Gains by stage(4)
Power
450 hp
Torque
430 Nm
essence
Power
450→475ch
+25 ch
+6%
Torque
430→465Nm
+35 Nm
+8%
OriginalTuned
Find a tuner
Compare certified professionals near you.
Everything about 3.8i GT3 RS Cup - 450ch tuning
Tuning the 3.8i GT3 RS Cup - 450ch found in the Porsche 997 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 997 3.8i GT3 RS Cup - 450ch, tuning delivers up to +70 hp and +80 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 450 → 475 hp | 430 → 465 Nm | — |
| Stage 2 | 450 → 520 hp | 430 → 510 Nm | — |
| E85 Flexfuel | 450 → 450 hp | 430 → 430 Nm | — |
| E85+ | 450 → 475 hp | 430 → 465 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 3.8i GT3 RS Cup - 450ch?
Tuning the 3.8i GT3 RS Cup - 450ch (Porsche 997) 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 3.8i GT3 RS Cup - 450ch?
Yes, the 3.8i GT3 RS Cup - 450ch 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 997 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 997?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.