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more aggressive exhaust note without triggering a check engine light
Direct bolt-on factory replacement
The filters will be placed in the same position as the OEM air ducts were inside the engine bay
Factory computer controlled valve is eliminated for maximum flow and sound at all times
N55 vehicles
CSF F8x M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Fit Left & Right Side) button more aggressive exhaust note withoutLike the other cooling systems on the F8X, the factory auxiliary radiators do a pretty good job in stock form. However, once you start adding a lot of power and pushing the car in aggressive driving conditions, the factory systems start to show its limitations. As more and more owners have pushed the limits of their S55, CSF saw the need and demand. The F8X platform is also almost a decade old with the newest examples being at least 5 years old. Over
