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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Chips, Tunes & Software

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APR Plus ECU Upgrade

ES#3690535 - b9a420tstg1KT1 - APR Plus ECU Upgrade - Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* - APR - Audi Porsche

Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty* Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3690535
Mfg#:
B9A420TSTG1KT1
Ships in 1 day
ON SALE! SAVE 20%
$1099.99

This product was last offered at the strikethrough price on
09-28-2026

$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Chips, Tunes & Software

Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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