CTS B8/B8.5 Audi S4/S5/Q5/SQ5 3.0T Supercharged Heat Exchanger Upgrade

(2 customer reviews)

Original price was: US$559.99.Current price is: US$447.99.

In Stock

Included Warranty

12 Months
All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.


CTS B8/B8.5 Audi S4/S5 Air-to-Water Heat Exchanger (Intercooler) Upgrade for your supercharged 3.0T engine!

Avoid heatsoak by replacing the small factory cooler; this is a must for any modified V6 supercharged S4/S5/Q5/SQ5 3.0TFSI. Keep your air temperature low with our premium AWIC upgrade kit.

Strongly recommended to be used on stage 2 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 restrictive factory part
  • Reduces intake air temperature
  • Reduces coolant temperatures
  • Helps Maintains consistent power in extreme conditions
  • Drain plug and bleed port 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
  • 2010-2016 Audi S4 (V6T supercharged)
  • 2010-2017 Audi S5 (V6T supercharged)
  • 2013-2017 Audi Q5 (V6T supercharged)
  • 2014-2017 Audi SQ5 (V6T supercharged)

Some 2010-2012 B8 S4 vehicles equipped with Audi Drive Select (ADS); you will have to order an Additional oil cooler for ADS.

ADS cooler is visible through the front grille, see photos below. Usually comes on early 2010-2012 B8 S4 vehicles equipped with Dynamic Steering and Dynamic Suspension.

B8.5 Audi S4 installation by Boost Dynamic Tuning:

Additional information

Weight 30 lbs
Dimensions 37 × 22 × 10 in

2 reviews for CTS B8/B8.5 Audi S4/S5/Q5/SQ5 3.0T Supercharged Heat Exchanger Upgrade

  1. Christopher S. (verified owner)

    I hace bought several items from CTS Turbo and I have to say that the quality is top notch. Support is also great when needed, I plan on buying more things in the future

  2. russellf1025

    Easy install and consistent power.
    IAT never exceed 72 degrees even after 4 back to back 100-200 pulls
    Best bang for buck HX for Canadians

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Make Model Year Generation
Make Model Year Generation
AUDI S4 2010 - 2016 B8/8.5
AUDI S5 2008 - 2017 B8/8.5
AUDI SQ5 2014 - 2017 B8/8.5