034Motorsport is proud to offer our 034EFI Stage 3- (Minus) Chip Tune for the Audi 2.7T.
This tune is perfect for thsoe who have upgraded to RS4 K04 Turbochargers, but are not yet ready to upgrade to a complete Stage 3 Chip Tuning Package.
The 034EFI 2.7T Stage 3- ECU Upgrade is capable of over 320WHP on 91 octane with proper supporting modifications, and retains electronic boost control via the factory N75 valve.
Required Hardware:
Recommended Hardware:
Upgraded fuel pump is strongly recommended. Hitachi MAF sensor upgrade is required for early B5 S4 models equipped with Bosch MAF sensor.

**Not for use on emissions controlled vehicles in California, off road, track, and racing applications only**