K&N E-3730 High Performance Custom Air Filter

Name: K&N E-3730 High Performance Custom Air Filter
Brand: K&N
SKU: awhd-ca-b00029wyxk
Price: 77.60 CAD
Availability: InStock

Brand: K&N

Condition: Used - Like New

$77⁶⁰

$105⁵⁰

-27% Save $27⁹⁰

Updated: 8 days ago

Buy at Amazon.ca

Description

• ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%

• EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains

• SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters

• ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters

• WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants

• LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions

• HIGH QUALITY: Made in America

Buy at Amazon.ca

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Product Details

SKU:: awhd-ca-b00029wyxk
Model:: E-3730
Country:: CA
ASIN:: B00029WYXK
GTIN:: 00024844019899
UPC:: 024844019899

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $28 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for K&N products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.