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K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter

Marsoni M251S
Sale price$68.99
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K&N 01-09 Audi A4/RS4/S4 Drop In Air FilterSKU: 33 2209 UPC: 024844085580 K&N 33 2209 Replacement Air Filter: 2002 2009 Audi A4 RS4 S4 Drop In The K&N 33 2209 is a washable reusable high flow air filter with layered oiled cotton media for more airflow and better contaminant capture. It serves as a direct drop in replacement for factory air filters in 2002 2009 Audi A4 S4 RS4 models. Gain horsepower and acceleration while protecting your engine for the vehicle's life. Key Features 4 Layers of
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4.1 ★★★★★
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Joshua
Omaha, US
★★★★★ 5
HIGHBEAMS
Size: H7, Size: H7
Great Product for my infiniti g35 OEM COMES WITH SOME YELLOW HIGHBEAMS with these makes my car looks better and looks way cleaner!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
E
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Eddie Rogers
Bozeman, US
★★★★★ 5
O e m fit filters. Thanks amazon
The filters were just what I needed to get my mower going. The fit was just o e m
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Reviewed in the United States on April 5, 2026
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Larry G McLeod
West Palm Beach, US
★★★★★ 5
Good value, no leaks
Works fine, no leaks
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Reviewed in the United States on April 20, 2026
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theodore
Bozeman, US
★★★★★ 5
The Fit
Fit great!!!!!
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Reviewed in the United States on October 31, 2025
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Roger
Boise, US
★★★★★ 5
Perfect
Great price
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Reviewed in the United States on October 23, 2025

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