EuroCustoms ECU Tune Stage 3 K04's S4 B5 / C5 A6 2.7T

EuroCustoms ECU Tune Stage 3 K04\'s S4 B5 / C5 A6 2.7T
EuroCustoms Tuning ECU Tune Stage 3 HP & Torque results will vary depending on supporting modifications (injector & turbocharger size), typical gains are 150+HP/TQ over factory. B5 S4 / C5 A6 2.7T

-Speed limiter removed

-Best performance increase on the market

-Improved fuel economy

-Improved throttle response

-Tuned for best optimized performance within the engines safe zone parameters

-Increased performance throughout the power band and across the board

-Factory lag removed

-Thoroughly tested on the track and street

Upgrades needed in conjunction with our K04 tune:

-Upgraded/revised diverter valve

-Upgraded intercoolers


-85mm MAF housing w/ stock sensor.

-Upgraded injectors (select options below).

-93 Octane fuel

Custom options available: Launch control/Anti Lag, No lift shift, Rear o2 delete & EGT delete.

Available Options:


Launch Control / No lift shift:


Rear O2 Delete:



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