Audi 8Y A3 Quattro 2.0T Performance ECU Software / Tuning

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:

ES#:

4684889

Mfg#:

034-103-3306

EO#:

D-850

Gains of up to 40 Horsepower!

Brand:

ES#:

4500085

Mfg#:

VWR030001-GAR

$925.99 USD

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Lifetime Replacement

Version 1.

Brand:

ES#:

4940110

Mfg#:

JB4-OBDII-4P7FCA

$25.00 USD

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on orders $49 and up

Lifetime Replacement

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.

Brand:

ES#:

4714891

Mfg#:

JB4-OBDII-CA

$25.00 USD

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on orders $49 and up

Lifetime Replacement

Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces. For use with HP Tuners MPVI2+ and MPVI3 interfaces only.

Brand:

ES#:

4840618

Mfg#:

H021-002-06

$60.99

This product was last offered at the strikethrough price on
05-12-2026

$49.99 USD

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on orders $49 and up

Lifetime Replacement

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.

Brand:

ES#:

4714892

Mfg#:

JB4-OBDII-CA-MC

$30.00 USD

Add to Cart

Lifetime Replacement

Smooth and progressive gains throughout the rev-range. For 2025+ models only

Brand:

ES#:

4939972

Mfg#:

VWR030003-GAR

$980.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement