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K&N Cold Air Intake - High-flow, Roto-mold Tube - BMW 323I SERIES E46, 24V, 170BH 1998-2005

Marsoni M251S
Sale price$192.50
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K&N Cold Air Intake - High-flow, Roto-mold Tube - BMW 323I SERIES E46, 24V, 170BH 1998-2005Guaranteed to increase horsepower Designed to improve throttle response and engine sound Replaces entire factory air intake system Washable and reusable lifetime air filter K&N No Hassle Lifetime Limited Warranty Lasts up to 100,000 miles before service is required (depending on driving conditions) Easy to install, usually in 60 minutes or less Replacement Filter RU 4550 Air Filter Color Red Air Filter Material Cotton Gauze Air Filter Outlet Shape
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
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Product Reviews
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Verified Purchase
Michael Garcia
Lexington, US
★★★★★ 5
Good value
Good value. Much better to get a new pump
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
M
Verified Purchase
Mike
Lexington, US
★★★★★ 1
Buy OEM Honda for $2 - Suction side o-ring does not fit right
No good. Suction side o-ring doesn't fit right and immediately sucked air. Spend the $2 at a Honda dealer and get the original orange 91345-RDA-A01 o-ring. Fits much better and instantly quiet power steering pump.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
D
Verified Purchase
David
Carnegie, US
★★★★★ 5
Worked perfect
Great deal
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
M
Verified Purchase
Manuel Miranda
West Palm Beach, US
★★★★★ 5
Very good
Size: CRV (2023-2025) 1.5L Gas
Look like original
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
I
Verified Purchase
Isaiah
Dallas, US
★★★★★ 5
Fits 2023 Honda Civic Sport Touring Hatchback
Size: CRV (2023-2025) 1.5L Gas
Fit as a smooth clean replacement for OEM civic filters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025

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