All Direnza air induction systems are designed in-house by Direnza engineers. Designed to replace the OEM Audi airbox, offering more surface area compared to the standard filter and significantly enhancing air flow into the 2.9 engine boosting your car's soundtrack and performance. ---Crinkle-wrapped heat shield ---Supplied with a high-quality cloth cone filter ---Engineered to improve throttle response ---Increases power and torque across the rpm range ---Direct replacement for OEM air box Fitment Audi S5 F5 3.0 V6 TFSI 2017+ Audi S4 B9 3.0 V6 TFSI 2017+ Audi RS5 F5 2.9 V6 TFSI 2017+ Audi RS4 B9 2.9 V6 TFSI 2017+.
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