APR Performance Carbon Air Intake SystemThis is the ultimate intake upgrade for the Audi RS4 and RS5 (B9). It flows 36% more than stock, reduces pressure drop, and improves linearization across the turbos. This directly translates to +19 AWHP and +17 AWFT LBS of torque on top of our Stage 1 (93) tune making this a simple upgrade for more power you can feel. Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to the turbo inlets. This is
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