K&N 57S performance airbox air filter kit: Ford Focus Mk3 RS 2.3 & ST 2.0 EcoBoost KN57S-4000

£220.00 (inc VAT)
(ex VAT) £183.33

Free Uk Delivery available

57S Performance Airboxes are special air intake systems developed by K&N, the inventor of the Million-Mile High-flow air filter. These systems increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. A K&N 57S completely replaces the factory air box and air filter with upgraded high quality components. It uses a fully enclosed air box assembly with a removable lid for easy access to the filter when cleaning is required. The air box is injection moulded for extra strength, consistency and durability. The assembly is large enough to house an oversized conical K&N High Flow air filter and the entire product is backed by K&N’s Million Mile Limited Warranty.

Application:
  • Ford Focus Mk2 1.4/1.6/1.8/2.0 including Diesel 08/2007-2011
  • Ford Focus Mk2 RS 2.5 2009-2010
  • Ford Focus Mk2 RS500 2.5 2010
  • Ford Focus Mk3 1.0/1.5/1.6/2.0 2011-
  • Ford Focus Mk3 ST 2.0 EcoBoost 2012-
  • Ford Focus Mk3 RS 2.3 EcoBoost 2016-
More Information
Part NoKN57S-4000
Fits Engine TypeFord EcoBoost 2.0/2.3
Product GroupAir Filter Induction Kits
Stock StatusNo Stock - ordered on demand
Fits Engine MakeFord
Brand LogoK&N
Fits Model VariantFord Focus Mk3 (not ST), Ford Focus Mk3 RS, Ford Focus Mk3 ST
Shipping & Delivery

We aim to dispatch all stocked orders either same day (Monday-Friday) or by the following working day (subject to time of order). Orders are shipped by DHL courier service.

For orders that require a guaranteed quick delivery, please contact our sales staff directly by phone who can advise further on your request.

Shipping Prices UK

All orders under £250 will be sent by DHL courier service
Up to 3kg £8.00
3kg-20kg £9.60

All UK orders over £250 are shipped free of charge by DHL.

Shipping Prices Overseas

All deliveries are sent by DHL courier service. Most European countries have the option of an Economy Road Service (with prices starting from £26.00) and Express Air Service. All non-European countries are sent by DHL Air Express. To get a quote for shipping, simply enter the items into the cart, click on ‘My Cart’ and select your country. You do not need to be logged in to use this service.

Note: we are unable to export dangerous goods such as aerosol cans and such items must be removed from the cart before you can proceed with your order.

57S Performance Airboxes are special air intake systems developed by K&N, the inventor of the Million-Mile High-flow air filter. These systems increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. A K&N 57S completely replaces the factory air box and air filter with upgraded high quality components. It uses a fully enclosed air box assembly with a removable lid for easy access to the filter when cleaning is required. The air box is injection moulded for extra strength, consistency and durability. The assembly is large enough to house an oversized conical K&N High Flow air filter and the entire product is backed by K&N’s Million Mile Limited Warranty.

Application:
  • Ford Focus Mk2 1.4/1.6/1.8/2.0 including Diesel 08/2007-2011
  • Ford Focus Mk2 RS 2.5 2009-2010
  • Ford Focus Mk2 RS500 2.5 2010
  • Ford Focus Mk3 1.0/1.5/1.6/2.0 2011-
  • Ford Focus Mk3 ST 2.0 EcoBoost 2012-
  • Ford Focus Mk3 RS 2.3 EcoBoost 2016-
More Information
Part NoKN57S-4000
Fits Engine TypeFord EcoBoost 2.0/2.3
Product GroupAir Filter Induction Kits
Stock StatusNo Stock - ordered on demand
Fits Engine MakeFord
Brand LogoK&N
Fits Model VariantFord Focus Mk3 (not ST), Ford Focus Mk3 RS, Ford Focus Mk3 ST
Shipping & Delivery

We aim to dispatch all stocked orders either same day (Monday-Friday) or by the following working day (subject to time of order). Orders are shipped by DHL courier service.

For orders that require a guaranteed quick delivery, please contact our sales staff directly by phone who can advise further on your request.

Shipping Prices UK

All orders under £250 will be sent by DHL courier service
Up to 3kg £8.00
3kg-20kg £9.60

All UK orders over £250 are shipped free of charge by DHL.

Shipping Prices Overseas

All deliveries are sent by DHL courier service. Most European countries have the option of an Economy Road Service (with prices starting from £26.00) and Express Air Service. All non-European countries are sent by DHL Air Express. To get a quote for shipping, simply enter the items into the cart, click on ‘My Cart’ and select your country. You do not need to be logged in to use this service.

Note: we are unable to export dangerous goods such as aerosol cans and such items must be removed from the cart before you can proceed with your order.

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