Alfa Romeo Giulia GTA Gtam 29 V6 Turbo Stage 1: 540→565hp

Alfa Romeo Giulia GTA Gtam 29 V6 Turbo Stage 1: 540hp → 565hp, 600→727Nm. Validated DMS calibration, proven on our dyno — not an off-the-shelf file. From…

Alfa Romeo Giulia Stage 1: 540 hp → 565 hp

Factory output for the Alfa Romeo Giulia GTA Gtam 29 V6 Turbo is 540 hp and 600 Nm. A Stage 1 remap targets 565 hp and 727 Nm — 25 hp (+5%) and 127 Nm (+21%).

Those are the figures we work to on this engine. They are a starting point, not a promise: the number we hand back is the one your car makes on our dyno, measured before and after on the same day, in the same conditions.

What 25 hp changes on the road

A turbocharged petrol responds to a remap mostly through boost and ignition timing. Taking the GTA Gtam 29 V6 Turbo from 540 hp to 565 hp, with torque from 600 Nm to 727 Nm, sharpens throttle response and shortens the gap between asking for power and getting it — the car stops feeling like it is thinking about it first.

Gains of this size (+5%) are normal for this kind of engine on pump fuel, with no hardware changes.

What Stage 1 involves on an Alfa Romeo Giulia

We read the ECU, log the car as it stands, and put it on the dyno to confirm the 540 hp baseline — a tired or faulty engine gets diagnosed before it gets mapped, not after.

The calibration is written for your car, not pulled from a file library. We adjust fuelling, ignition timing and boost pressure, then re-run the dyno to verify the 565 hp and 727 Nm figure and check knock, lambda and temperatures under load.

Turnaround is same-day for most cars. Stock file is archived, so the car can go back to standard whenever you want.

Which Alfa Romeo Giulia this covers

These figures are for the GTA Gtam 29 V6 Turbo as fitted 2019 onwards. Engine code and ECU type decide what is possible, so send us the registration or VIN and we will confirm the exact variant before you book anything.

Alfa Romeo Giulia remap price and booking

Stage 1 for the Alfa Romeo Giulia GTA Gtam 29 V6 Turbo starts at €450, including the dyno runs before and after and the stock-file archive.

We work from Leoforos Karamanli 127, Artemida 19016, east of Athens, and tune remotely across Europe where the ECU allows it. WhatsApp +30 697 728 8810 with your registration for a straight answer on your car.

Other Alfa Romeo Giulia engines

• Alfa Romeo Giulia Q4 20 TB GPF — Stage 1 (280hp stock)
• Alfa Romeo Giulia Q4 Veloce 20 TB — Stage 1 (280hp stock)
• Alfa Romeo Giulia Quadrifoglio 29 V6 Turbo — Stage 1 (510hp stock)
• Alfa Romeo Giulia 2.0T Veloce — Stage 1 (280hp stock)
• Alfa Romeo Giulia 2.2 JTD — Stage 1 (160hp stock)
• Alfa Romeo Giulia 2.2 JTD — Stage 1 (180hp stock)
• Alfa Romeo Giulia 2.2 JTD — Stage 1 (190hp stock)
• Alfa Romeo Giulia 2.2 JTD — Stage 1 (210hp stock)
• Alfa Romeo Giulia 2.9 V6 GTA — Stage 1 (540hp stock)
• Alfa Romeo Giulia 2.9 V6 Quadrifoglio — Stage 1 (510hp stock)

More Alfa Romeo tuning

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• Alfa Romeo MiTo 0.9 Twinair — Stage 1 (85hp stock)
• Alfa Romeo Stelvio 2.0 TB — Stage 1 (280hp stock)
• Alfa Romeo Tonale 1.5T — Stage 1 (131hp stock)
• Alfa Romeo 147 19Jtd — Stage 1 (100hp stock)
• Alfa Romeo 156 19Jtd — Stage 1 (105hp stock)
• Alfa Romeo 159 1750 TB — Stage 1 (200hp stock)
• Alfa Romeo 166 2.4 JTD — Stage 1 (136hp stock)

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