i have a a3 180 quattro model, my k03s have given up so thinking of a k04, know i will need a manifold, turbo, and downpipe but wat else is needed thanks
Get a K04 hybrid with K03 fitment instead... fits straight onto existing mani, uses existing DP etc...
You will need a new TIP, LCR/S3 injectors and an S3 MAF plus Stage 3 mapping to get the best from it.
Suggested upgrades to do along side are FMIC and replacement air filter. Other bits yo may need to consider is uprating the fuel pump to an LCR/S3 one...
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