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We are excited to announce the release of Unitronic's brand new Intercooler Upgrade for the B9 Audi S4 and S5 models equipped with the 3.0 TFSI EA839 engine!

This bar and plate intercooler is a direct OEM replacement and provides a dramatic reduction in charge air temperatures to make sure you are getting the best performance possible while resisting heat-soak issues during hard pulls and harsh conditions.

Scroll down to learn more about this new intercooler offering from Unitronic!

Using an in house 3D scanner, Unitronic ensures that all parts they create are a perfect fit, with no cutting or modification necessary for installation.

Using EFD simulations, Unitronic is also able to predict the thermal exchange of the intercooler core in the wake of air passing through the channels. This provides further information on how our design will impact the efficiency of the engine and a/c radiator.

This graph shows the Intake Air Temperature for both the OEM and Unitronic Intercoolers, individually for each of the 6 runs.

The Unitronic Intercooler provided significant reductions in air temperature resulting in a cooler, denser charge air being ingested by the engine, resulting in increased performance. Its resistance to heat soak means that the core retains its cooling abilities, even though the most rigorous of conditions.

Key Features:

  • Highly efficient bar & plate intercooler core
  • Drastically reduces charge air temperature for cooler, more dense air
  • Significantly more resistant to heat-soak
  • 79% more volume than OEM (Unitronic Core Dimensions: 21.65” x 16.61” x 2.52” / 550.0mm x 421.9mm x 64.0mm)
  • Cast Aluminum end tanks
  • Direct OEM replacement; no bumper, radiator support, or other trimming required


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