CTS C7 Audi S6/S7 Air-to-Water Heat Exchanger (Intercooler) Upgrade

Avoid heat soak by replacing the small factory cooler; this is a must for any modified V8 4.0T C7 Audi S6/S7. Keep your air temperature low with our premium heat exchanger upgrade kit.

Strongly recommended to be used on stage 1 and up tuned vehicles. Air intake temps are reduced by 10F-12F.


  • Efficient lightweight construction
  • Triple-pass core. No additional coolant pump required.
  • Designed using the latest 3D scanning technology
  • Complete replacement for the restrictive factory part
  • Reduces intake air temperature
  • Reduces coolant temperatures
  • Helps Maintains consistent power in extreme conditions
  • Drain plug and bleed screw to ensure no air is trapped while adding coolant
  • Easy installation, perfect fit

Kit Includes:

  • Heat Exchanger (24″ x 17″ x 2.5″)
  • Brackets & Hardware
  • Coolant Hose
  • Hose Connectors
  • Hose Clamps
  • C7 Audi S6 4.0T
  • C7 Audi S7 4.0T

Install Guide: Here