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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Drop-In Air Filter, 2013-18 Focus ST/16-18 Focus RSWant to keep your factory air box and improve the performance and gas mileage of your 2013 18 Focus ST or 2016 18 Focus RS ? This K&N drop in filter is just what you need! You can gain a few horsepower with this, and have a reusable washable air filter that will save you money over the cost of buying new factory air filters! Installation takes about 5 minutes with a 8mm socket. Please note: The photo above of the filter in the airbox is how it looks

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
4.4 ★★★★★
Based on 2395 reviews
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Product Reviews
★★★★★ 5
Worth it
Fits perfectly and protects my personal items.
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Reviewed in the United States on January 8, 2025
★★★★★ 5
As promised
Wallet is perfect
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Reviewed in the United States on October 9, 2024
★★★★★ 5
Good wallet with good looks and functionality.
Stylish and very practical.
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Reviewed in the United States on September 9, 2024
★★★★★ 5
Good quality
I’ve used this for over a year. Good quality. I thought it was a little big at first but i adjusted and it works well.
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Reviewed in the United States on October 31, 2025
★★★★★ 5
“Great quality and classic design”
“The wallet looks great and feels very well made. The material is durable and the design is simple and classic. It fits cards and cash comfortably without feeling bulky. Very happy with this purchase.”
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Reviewed in the United States on March 4, 2026




