


K&N Performance Intake Kit for Ford C-Max/Focus II / Volvo C30/S40/V40/V50/V70 / Mazda 3/5
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Performance Intake Kit for Ford C-Max/Focus II / Volvo C30/S40/V40/V50/V70 / Mazda 3/5The K&N 57S 4000 Performance Airbox replaces the restrictive factory air filter and air box lid. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S 4000 Performance Airbox comes with an
Quick Dispatch:
Your K&N Performance Intake Kit for Ford C-Max/Focus II / Volvo C30/S40/V40/V50/V70 / Mazda 3/5 orders ship within 1-2 business days.
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- Express: 1-2 business days
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 2130 reviews
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Product Reviews
★★★★★ 5
Good education
Format: Board book
Great story time book to read to your little one to help them understand why biting is bad.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Excellent book
Format: Kindle
Beautiful illustrations for kids and excellent tips for toddlers that are having problems bitting other people and how to stop that behaviour.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Doesn't bite
Format: Board book
Got this book to try to teach our two year olds that biting isn't the solution to their problems. They enjoyed it and hopefully some of the suggestions stuck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
★★★★★ 5
Biting tool for toddlers
Format: Board book
My daughter has been struggling with times of biting. We read his book to her after each incident and she seems to enjoy it. I also work with young kids so using this in the special education setting has been helpful as well! Definitely recommend the book. It has helpful info on the back for caregivers as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
★★★★★ 5
Helpful
Format: Board book
When your kid starts biting, this is a helpful resource to talk about it with them. I think it's helped with our toddler.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
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