Blue performance Volkswagen in a dark tuning environment

Unitronic through JA TUNING

Shop software, hardware, and upgrade appointments through Jérémie.

Select the vehicle first, then see the likely Unitronic software, TCU upgrade, hardware, shipping, and appointment paths handled through JA TUNING.

Vehicle selector

Select the vehicle to reveal matching software, hardware, and appointments.

Software stage

Stage 1 purchase path

Volkswagen Golf / GTI / R2.0 TSI / EA888 / DSG / S tronic / Stock / Reliable staged power
ECU softwareSoftware

Unitronic ECU Stage 1

Stage 1 software selected around the actual engine, current file state, fuel quality, maintenance baseline, and intended use.

Pump fuel path. Exact octane file to be selected in checkout.Typical gain range shown after platform data is connected.Usually the cleanest entry point when the car is mechanically healthy.
Fulfillment
Book install
Price
Squarespace price pending
TCU softwareRecommended

Unitronic DSG / S tronic upgrade

Transmission software path for cars where shift strategy, clutch pressure, torque management, and launch behavior should match the ECU calibration.

Fuel follows the selected ECU file.No standalone horsepower claim. TCU value is shift behavior, torque handling, and consistency.Recommended beside ECU stages so owners understand why the gearbox file matters.
Fulfillment
Book install
Price
Squarespace price pending
Recommended hardwareRecommended

Carbon fiber intake system with air duct

Recommended hardware shown for the selected MQB Golf R path. Exact product page will connect through Squarespace.

Fuel requirement follows the selected ECU stage.Dyno impact varies by platform; show as supporting airflow, not a magic number.This should eventually use approved product photography once Jérémie has dealer assets.
Fulfillment
Ship or install
Price
Squarespace price pending
Recommended hardwareRecommended

Intercooler upgrade kit

Recommended hardware shown in the provided Unitronic Stage 2 example for the selected MQB Golf R path.

Fuel requirement follows the selected ECU stage.Helps preserve repeatable power. Dyno notes should include heat-soak context.Cooling is a confidence product: fewer dramatic claims, more consistency proof.
Fulfillment
Ship or install
Price
Squarespace price pending
SupportRecommended

Fueling and ignition support

Support category for plugs, fueling checks, and supporting maintenance before the car is pushed beyond a basic software path.

Fuel requirement follows selected stage.Dyno effect depends on the final software and hardware path.Good place for spark plug, service, and fueling support products.
Fulfillment
Ship or install
Price
Squarespace price pending
BaselineService

JA TUNING baseline health check

Useful when maintenance history, fault codes, current modifications, or readiness status are uncertain.

Fuel choice reviewed during appointment.No dyno claim. This protects the tuning path before power is sold.For unknown or expensive cars, this should be positioned as responsible, not optional friction.
Fulfillment
Book appointment
Price
Squarespace service rate pending

Cart

Select products to build the order.

This is where the live checkout will connect so customers can pay for shippable hardware or reserve ECU and TCU upgrade appointments directly through JA TUNING.

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