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- Chip Tuning, Stage 3- 2.7T, K04
034Motorsport is proud to offer our 034EFI Stage 3- (Minus) Chip Tune for the Audi 2.7T.
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.
**Not for use on emissions controlled vehicles in California, off road, track, and racing applications only**