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K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - Large

Marsoni M251S
Sale price$341.50
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Get it in 3 business days with 1 day shipping. Friday, May 29
K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - LargeSKU: 100 8591 UPC: 024844199584 K&N 100 8591 Custom Racing Assembly Carbon Fiber 4in Air Box w o Base Large K&N 100 8591 Custom Racing Assembly is a sprint car style carbon fiber air box without base plate designed for racers using traditional multi Siamese 4in velocity stacks. This large air box ensures high airflow to boost horsepower while maintaining excellent filtration in demanding racing conditions. The washable reusable filter services easily
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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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4.9 ★★★★★
Based on 1567 reviews
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DebraLee Miller
Omaha, US
★★★★★ 5
Worked
Worked for exactly what I needed it for. Fit perfect once I found the right one. Held my headlight in tight just like the original
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2025
K
Verified Purchase
Kristen
Birmingham, US
★★★★★ 4
Good
As advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2025
I
Verified Purchase
ismael
Port Orchard, US
★★★★★ 1
Does not fit 330i , xenon headlights clips
Bottom length isn't wide enough, not for 330i ,xenon retainer. I went to the junkyard got 4 clips for a dollar. Im going to see I can return them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 18, 2023
L
Verified Purchase
lowell t hoyland
Whiting, US
★★★★★ 5
Everything I expected
Shift quick right parts
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2025
T
Verified Purchase
Tim
Natrona Heights, US
★★★★★ 5
Fit many applications! Worked great!
Quick transaction! Prompt shipping!
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Reviewed in the United States on October 19, 2022

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