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The Wagner Tuning Competition intercooler kit for Audi A4 B9 3.0 TDI (2017–2025) upgrades the charge-air cooling system to help reduce intake temperatures and improve thermal stability under boost. Built as a competition-style intercooler kit, it provides enhanced cooling capacity and flow compared with stock units, making it suitable for forced-induction setups that benefit from lower charge temperatures and more consistent intake conditions.
Wagner Tuning 17-25 Audi A4 B9 3.0TDI Competition Intercooler Kit
