
Heat-Exchanger Radiator 2010-2018 Audi S4/S5/S6/A6 Quattro/A7 Quattro/Q5 3.0L/4.0L
APR MS100127
Features:
- Lowers intake air temperatures (IAT)
- Minimizes heat soaking through external louvered fins
- 140-percent larger surface area than OEM
- Core Frontal Area (in.^2): 382.800
- Core Volume (in.^3): 650.760
- Fully integrates into the factory cooling system
- A self-bleeding cooling circuit automatically removes air from the system
- Full control is retained by the ECU to protect against pump failure and coolant leaks
Notes:
- Some Audi S4/S5 and A6/A7 applications may require Radiator Fit Kit 172-MS100136 (required when the cooler has an inlet and outlet on opposite sides)
- Audi S4/S5 models with Audi Drive Select (ADS) coolers will require custom relocation of the cooler
Emissions Note:
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
A Cooler Upgrade for Reduced Temperatures
The APR Heat-Exchanger Radiator significantly lowers intake air temperatures and further prevents seat soaking through a larger front-mounted cooler. It features a dual-pass core with a 140-percent larger surface volume that fully integrates into the factory system. This upgrade is perfect for both street and strip applications seeking maximum cooling output.

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