K&N 57S Performance Airbox, Fits Ford Focus II+III from 8/2007 (57S-4000)
Regular price
€321,95
incl. VAT
Item no.: KN 57S4000
Remote warehouse
Delivery time: 4-6 business days
Shipping: from 8,95 € — exact rate shown in cart
✓Lightning-fast delivery – most orders ship the same day
✓Customer service by phone, chat and email: weekdays 8am-8pm, weekends 10am-4pm
✓14-day right of return for private customers
✓Danish company – online since 2003, CVR 27331939
Datablad
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Optimize your Ford Focus with K&N Performance Airbox
Improve your driving experience with the K&N 57S Performance Airbox, designed specifically for Ford Focus II and III from August 2007. This airbox is not just an upgrade, but an investment in both performance and efficiency. With K&N's innovative technology, you can expect improved airflow and increased engine power. **Specifications:**- Model: K&N 57S Performance Airbox
- Fits: Ford Focus II+III from 08/2007
- Product number: 57S-4000
- Improved airflow: Optimizes engine performance by delivering more air.
- Increased engine power: Get more out of your engine with more efficient air intake.
- Long service life: K&N's filters can be reused and washed, saving money in the long run.
- Easy installation: Designed to fit your Ford Focus perfectly without the need for extensive modifications.
| Brand | K&N |
|---|---|
| SKU | KN 57S4000 |
| EAN | 24844282903 |
| Stock | Remote warehouse, delivery time 4-6 business days |
| Product family | Air intakes K&N 57i kits |
| Car make/model | Ford | Focus II 2004-2011, Ford | Focus III 2011-2018 |
| Colour | Red |
| Material | Cotton |
| Weight | 1.9 kg |
| Difficulty level | Advanced |
| Shipping type | Standard package |
| Product approval | ✓ TÜV godkendt |
Frequently asked questions
The K&N 57S Performance Airbox is designed to improve airflow to your engine, which can result in increased engine power and a better driving experience. This makes it an attractive upgrade if you want to optimize your car's performance.
The installation of the K&N 57S Performance Airbox is rated as 'Advanced', meaning it requires experience and patience. If you are unsure, it is recommended to seek help from a professional to ensure proper installation.
Yes, the product is TÜV-certified, which means it meets strict German standards for quality and safety. This can give you extra peace of mind regarding the product's reliability, but remember to check with your local vehicle inspection to see if the installation is legal in your car.
Since the airbox is made of cotton, it is recommended to clean the filter regularly to maintain optimal airflow and performance. K&N typically recommends cleaning every 50,000 km, but it also depends on your driving conditions.
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Delivery and returns
In-stock items ship the same day when ordered before 3.00 PM on weekdays. The shipping cost depends on the item's size and is shown exactly when the item is added to the cart.
You have a 14-day right of withdrawal on purchases as a private individual. The item must be returned unused and in its original packaging.
The right of withdrawal applies exclusively to private purchases — we do not offer a right of return on purchases made by resellers or businesses (B2B).
Please note that the right of withdrawal does not cover items that are custom-made or adapted to your specific requirements.
Do you have questions about your delivery or return? Contact us by phone, chat or email: weekdays 8am-8pm, weekends 10am-4pm.
