Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
K&N Custom Round Air Filter 14in OD 12in ID 4in HeightExperience superior engine performance and protection with the K&N Custom Round Air Filter, model E 3730. Designed for enthusiasts seeking high quality filtration, this air filter features a 14 inch outer diameter, 12 inch inner diameter, and a 4 inch height, making it an excellent fit for a variety of applications. Crafted by K&N Engineering, a trusted name in automotive performance, this drop in air filter is engineered to deliver enhanced airflow
Experience superior engine performance and protection with the K&N Custom Round Air Filter, model E-3730. Designed for enthusiasts seeking high-quality filtration, this air filter features a 14-inch outer diameter, 12-inch inner diameter, and a 4-inch height, making it an excellent fit for a variety of applications.Crafted by K&N Engineering, a trusted name in automotive performance, this drop-in air filter is engineered to deliver enhanced airflow while trapping harmful contaminants. The durable construction ensures long-lasting use and reliable performance under demanding conditions.
Upgrade your vehicle’s air intake system with this custom round air filter and enjoy improved throttle response, increased horsepower, and extended engine life. Its easy installation design helps you get back on the road or track faster with peace of mind.
The E-3730 air filter combines efficiency and convenience, backed by K&N’s legacy of expert automotive engineering. Whether you’re tuning your car for street use or motorsport, this product is a dependable choice to keep your engine breathing clean and running strong.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1694 reviews
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Product Reviews
★★★★★ 4
Very small toys! But they are fun!
Color: 9 Pack (No-stuffed Fox), Color: 9 Pack (No-stuffed Fox)
All the toys in this pack are very small. I almost sent it back because I was worried they’d be too small for our new puppy. I’m glad we didn’t though because she loves all the toys. Her favorite is the fox because it makes the crunchy plastic sound. She will outgrow the toys but for now this was perfect for her.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Great Toy Bundle
Color: 9 Pack (No-stuffed Fox)
My puppy loves these so much that I purchased a second set! The toys keep him engaged, are very cute and soft, and so far have withstood the wrath of a slightly psychotic furchild! Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
My puppy loves this set
Color: 9 Pack (No-stuffed Fox)
It’s been 15 years since I had a puppy so after I adopted a 9 week old puppy, then I realized I had no toys for her! I wanted a variety at a reasonable price. And fast too! This arrived the next day and she immediately started playing with everything. I think her favorite is the fox but she loves them all. The first time she heard the avocado squeak was priceless. She also loves the rope toys but they shred so I limit her time alone with them.
These probably won’t last a long time but they were a good price for a lot of variety of items. She is happy so I’m happy. Thanks
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Reviewed in the United States on May 2, 2026
★★★★★ 3
Poop bag and treat dispenser questionable
Color: 9 Pack (No-stuffed Fox)
This is a hard one. The toys seem great. The whole box smells of the poop bags and I don't think they should be a part of the purchase. The bigger issue i see is the treat ball seems to have a weird plastic coating on it. Almost like a thin clear coat that gives is a peeling feeling and I don't think it is safe for the puppy.
Excited to see how she likes the other toys though.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great durable toys for baby/small dogs
Color: 9 Pack (No-stuffed Fox)
These were perfect for our 8 week old dachshund. She loves every one of the toys.
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Reviewed in the United States on May 9, 2026
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