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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.
Upgraded fuel pump is strongly recommended. Hitachi MAF sensor upgrade is required for early B5 S4 models equipped with Bosch MAF sensor.