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(original design) Air to water high capacity heat exchanger for Audi S4, S5, A6, A7, SQ5

$399.00 $324.95

This is our older original 4 pass/dual core Audi heat exchanger.  A great budget alternative to upgrading your stock heatexchanger.

21 in stock

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At the point of creating and taking our design to market, no other heat exchangers in the market were designed this way.  This design allows for water to stay on the cooling stage longer and dissipate heat longer than other normal single and dual-pass systems. Our multiple-pass system provides a slower temperature rise and faster recovery.  An Audi customer favorite for many years!

  • High-density fin core for excellent heat dissipation.
  • Purges all air as it runs.
  • Bleed port included for assisting air removal during installation.
  • Durable black satin/matte coating finish on end tanks for long-life durability and resistance to road debris, great finish, easy to clean, corrosion resistance, and long life.
  • All Aluminum hand tig welded construction
  • Side Mounting brackets and bolts for crash bar install – Included
  • Self-tapping screws for mounting included
  • 3/4″ Tubes
  • Proven to be one of the most efficient heat exchangers in the market yet best priced as well!
Weight15 lbs
Dimensions28 × 21 × 4 in

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