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Wagner Tuning radiator kit for Audi RS4 (B9) 2.9 TFSI is a direct-fit cooling solution intended to upgrade the factory radiator for improved heat management. Designed for B9 RS4 applications, the kit preserves OEM mounting while offering enhanced thermal rejection to support sustained high-load driving and tuned engine operation where stable coolant temperatures are important.
Wagner Tuning Audi RS4 B9 2.9 TFSI Radiator Kit
