Large Audi Reservoir, Fill Tank, expansion tank


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Professionally made out of stainless steel, robotic welded, and then manually polished to a beautiful long-lasting luster.

This unit is used for simplifying and divorcing the air charge cooling system from the hot engine cooling system. It helps isolate air from the system as coolant flows through.

  • 3/4″ tubes
  • 8″ tall
  • 3″ diameter
  • Bracket for Audi S4 – bracket may work for other models


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