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Audi A4
2.0L L4 Gas DOHC Turbo
| 1 | K&N Replacement Air Filter
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2.0L L4 Gas DOHC Turbo
K&N Replacement Air Filter
1 Per Vehicle
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| 1 | K&N Replacement Air Filter
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3.2L V6 Gas DOHC
K&N Replacement Air Filter
1 Per Vehicle
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Audi A4
1.8L L4 Gas DOHC Turbo
| 1 | K&N Replacement Air Filter
|
1.8L L4 Gas DOHC Turbo
K&N Replacement Air Filter
1 Per Vehicle
|