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2004 525i air filter question
has anyone experienced an increase in horsepower or low end torque with an K&N filter? Is it worth the investment? thanks
| | Reply » 2004 525i air filter question |
Quote: | has anyone experienced an increase in horsepower or low end torque with an K&N filter? Is it worth the investment? thanks | When I had my mustang GT in 89, the K&N air filter was installed after 6 months of purchasing the car. It didn't do squat, and if it did I didn't notice anything.
I am talking about the airfilter replacement only...
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2004 525i air filter question