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APR Front Mount Intercooler System (FMIC) for Audi B9 S4/S5 3.0T

  • APR Front Mount Intercooler System (FMIC) for Audi B9 S4/S5 3.0T (IC100023)
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SKU:
IC100023
Weight:
25.00 LBS
Availability:
APR products from etektuning.com can only be sold and shipped within the United States.
Shipping:
Calculated at checkout
Quantity:

AUDI PERFORMANCE PARTS: APR Front Mount Intercooler System (FMIC) for Audi B9 S4/S5 3.0T (IC100023)

Product Features:

The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! The system is an easy to install, direct bolt-on design, that is recommended at every stage of performance.

  • Dramatically lowers intake air temp (IAT)
    The factory intercooler reaches dangerously high IAT levels, even on the stock ECU!
  • Massive frontal surface area and core volume
    3.125" x 5.75" x 28.25" - 162.4 in² frnt. & 507.62 in³ volume - OEM
    2.250" x 16.2" x 22.00" - 356.4 in² frnt. & 801.90 in³ volume - APR
  • Highly effective core design
    Bar-and-plate core with staggered and louvered fins.
    Rigorous testing determined core style, fin density, and size.
    Low pressure drop + highly effective cooling = high performance!
  • Smooth cast end tanks
    Engineered for low turbulence/restriction and maximum flow.
    Organically shaped to promote airflow across entire core.
    Pressure tested to prevent power robbing boost leaks.
  • Easy to install
    Simple plug-and-play design with no trimming or drilling necessary!
  • Designed by engineers with lasers
    With the best equipment and smartest engineers, it just works!

Testing

APR’s engineers tested each intercooler in a multitude of tests to show the impact the APR intercooler has on intake air temperature. The following tests were conducted with a 2017 S4 using the stock ECU calibration on 93 octane fuel and no other modifications. Ambient conditions during the stock intercooler tests were 72.8°F and 98.4 kPa with 78.7% relative humidity. Conditions were similar later in the day during during the APR Intercooler testing with 78.4°F and 98.5 KPa with 62.8% relative humidity. This gave the APR Intercooler no added advantage over the stock system during the tests.

Fitment:

  • Audi S4 (B9 - Typ 8W) 3.0 TFSI
  • Audi S5 (B9 - Typ 8W) 3.0 TFSI

The APR Intercooler core is a large bar-and-plate design featuring densely packed staggered and louvered fins. This design offers exceptional cooling while balancing pressure loss across the core, and maintaining critical airflow to the components behind the intercooler system. The core size was appropriately matched to the platform, minimizing pressure drop while leaving adequate space for appropriately designed end tanks. To APR’s mechanical engineering experts, the design represented the ultimate in performance, far exceeding the capabilities of the factory intercooler. To the driver, the result is simple: Repeatable performance, even in the most demanding of situations!

Core Style / Internal Fin Structure:

APR’s Engineers paid close attention to the balance between core effectiveness and pressure drop through the core, core style and fin density. With fin density too low, pressure drop decreases dramatically, but typically results in a core incapable of effectively cooling. Likewise, with fin density too great, pressure drop increases dramatically, resulting in the turbocharger working harder, and hotter, to produce the same level of airflow. By fine tuning this often unseen balancing act, as illustrated below, APR’s Engineers were able to maximize performance.

Core Size:

APR’s Engineers also paid close attention to the balancing act between core effectiveness, pressure drop and space for end tanks through core sizing. With the core too small, pressure drop decreases dramatically, but typically results in a core incapable of effectively cooling. Likewise, with core size too great, pressure drop can increase, resulting in the turbocharger working harder. However, more importantly, with no space for appropriate end tanks, utilization of the core and overall effectiveness of the system diminishes rapidly, negating the benefit of the larger core. APR’s engineers were able to balance each of these characteristics to deliver maximum performance.

Core Specs

System Core Type Thickness Width Height Volume Frontal Area
OEM Tube and Fin 3.125" 28.25" 5.75" 507.62 in³ 162.4 in²
APR Bar and Plate 2.25" 22" 16.2" 801.9 in³ 356.45 in²
The APR system increases frontal surface area by 119.09% and has a 58% larger core!

 

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