


K&N 99-01 Harley-Davidson Twin Cam F/I Air Filter
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N 99-01 Harley-Davidson Twin Cam F/I Air FilterK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. This Part Fits: Year Make Model Submodel 1999 2001 Harley Davidson FLHRCI Road King Classic Base 2000 2001 Harley Davidson FLHRI Road King Base 1999 2001
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Your K&N 99-01 Harley-Davidson Twin Cam F/I Air Filter orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 1633 reviews
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Product Reviews
★★★★★ 1
Not worth the wait & the bands aren't stretchy enough
Color: Red
Doesn't fit on a Cadillac XT6. The console isn't flat underneath and the stretchy band can't go through all the little bumps. Too tight. Plus the back part of fhe console has no space to pull the band through so it essentially flaps around freely. Color is a 80% match also
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
★★★★★ 5
Worth it and it fits
Color: Black
This this is the cutest. It’s so fluffy. I appreciate the packaging. It is super fluffy once it’s out the packaging. I try not to place my arm on it too much which keeps me come flattening the material and abusing the arm rest. It’s comfy and flash. I can’t wait to finish decorating the inside. I’ll have to update with a photo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2021
★★★★★ 3
Cute but didn’t fit
Color: Red
Did not fit my console. It’s a bit small. I did measure my console before I ordered it, but it didn’t fit. It is really cute. I do have the steering wheel clever and seat covers that match this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
★★★★★ 5
Happy customer!
Color: Black, Color: Black
Love it, mine came in all black underneath the fur and the straps. 🖤 (try combing out with fingers rather than brush so you don’t have too much shedding)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2020
★★★★★ 5
It doesn’t fit my armrest !
Color: Purple
I’m planning on adding Velcro to the straps, hoping this will work to fit over armrest !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2022
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