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Audi S4 Performance Air Intakes
- Guaranteed horsepower
- K&N Million Mile Limited Warranty®
- Replaces entire
factory air intake system
- Easy to install performance
- More than 500 air intakes available
Add more horsepower to your Audi S4 with a K&N air intake.
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Click Here to Find K&N Cold Air
Intakes, Air Filters, & Oil Filters for any Vehicle!
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