Your Vehicle
Infiniti EX 3.7 V6 320hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 700 € at the workshop (on the bench) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 700 € network price, the workshop may charge less, paid at the chosen workshop (on the bench) · terms
Power Graph
Infiniti EX 3.7 V6 320hp: da 320 a 339HP
Remapping Infiniti EX
MasterTuning develops remapping for Infiniti. La Infiniti EX 3.7 V6 320hp può passare da 320 HP a 339 HP con un incremento di 19 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Infiniti EX 3.7 V6 320hp
The Infiniti EX 3.7 V6 320hp is equipped with a petrol engine that produces 320 HP and 366 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Infiniti can achieve 339 HP (+6%) and 389 Nm (+6%).
Our Stage 1 tuning for the EX All delivers an impressive gain of +19 HP and +23 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code VQ37VH identifies this specific powerplant configuration. The Hitachi MEC100-xxx ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 320 HP from factory, this Infiniti EX is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Infiniti EX 3.7 V6 320hp
Factory technical data for the Infiniti EX 3.7 V6 320hp (All), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | VQ37VH |
|---|---|
| ECU / Control unit | Hitachi MEC100-xxx |
| Fuel | Petrol |
| Compression ratio | 11.0 |
| Bore × stroke | 95.5 X 86.0 mm |
| Stock power | 320 HP · 366 Nm |
| Remapped power (Stage 1) | 339 HP (+19) · 389 Nm (+23) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Infiniti EX.
Frequently Asked Questions - Infiniti EX
How much power can I gain from remapping my Infiniti EX?
With MasterTuning Stage 1, your Infiniti EX 3.7 V6 320hp can gain +19 HP (from 320 to 339 HP) and +23 Nm of torque. This represents a 6% increase in power.
Which ECU does the Infiniti EX 3.7 V6 320hp use?
The Infiniti EX 3.7 V6 320hp uses the Hitachi MEC100-xxx engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Infiniti EX 3.7 V6 320hp?
The engine code of the Infiniti EX 3.7 V6 320hp is VQ37VH. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Infiniti EX engine?
Yes, MasterTuning's remapping for the Infiniti EX 3.7 V6 320hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the VQ37VH engine.
Is the Infiniti ECU remapping reversible?
Absolutely. The original factory calibration of your Infiniti EX is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Infiniti warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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