SKU: 27097959061

Flow Designs MK4 Focus ST-Line Flow-Lock Rear Diffuser

Sale price$171.00 Regular price$190.00
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  • USA
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Flow Designs MK4 Focus ST-Line Flow-Lock Rear DiffuserSuits MK4 Focus St Line Models INSTALL DOES NOT REQUIRE BUMPER REMOVAL Details: Get the Flow Lock Rear Diffuser for your Ford MK4 Focus ST Line, which shares the same durability and technology as our renowned WRX, Golf GTI & Hyundai i30N line up which is trusted by car enthusiasts worldwide. The rear valance and diffuser fins will clear the Focus ST dual exhaust and rear bumper removal is not necessary for installation of the diffuser. The Flow Lock


Suits MK4 Focus St-Line Models

INSTALL DOES NOT REQUIRE BUMPER REMOVAL


Details:

Get the Flow-Lock Rear Diffuser for your Ford MK4 Focus ST-Line, which shares the same durability and technology as our renowned WRXGolf GTI & Hyundai i30N line up which is trusted by car enthusiasts worldwide. The rear valance and diffuser fins will clear the Focus ST dual exhaust and rear bumper removal is not necessary for installation of the diffuser.

The Flow-Lock interlocking system allows for the final assembly of the diffuser fins without tools or fasteners. A simple push and click and the kit is assembled and ready for installation - this means zero exposed hardware giving you the cleanest look for your MK4 Focus ST rear bumper. 

Valance is installed to the car through bolts and nuts while the Flow-Lock diffuser fins simply click into the valance (once locked into the valance it is secure). It is also possible to install when your car is on the ground.


Kit Includes:

  • MK4 Focus ST-Line Flow-Lock Rear Diffuser & Diffuser Fins
  • 2 Flow Designs stickers
  • Fitting kit with black stainless hardware

Material & Finish:

  • Valance: Finish available in gloss black, or scratch-resistant textured matte black
  • Diffuser Fins: Textured Finish

Install Instructions (PDF)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 27097959061

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4.8 ★★★★★
Based on 14 reviews
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Natrona Heights, US
★★★★★ 5
Daughters favorite shoes
Size: 2 Little Kid, Color: Light Pink
Daughter loves them. Very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
K
Verified Purchase
Kim
Waukegan, US
★★★★★ 5
Cute shoes
Size: 2.5 Little Kid, Color: Lavendar
Cute, easy to slip on, and my very particular daughter actually wears them - which is saying a lot.
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Reviewed in the United States on April 4, 2026
N
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Nadezhda
Lexington, US
★★★★★ 5
So cute and comfy for my little one!
Size: 11 Little Kid, Color: Black
Bought these for my 4 year old daughter and we both love them. She wants to wear them every single day! They fit true to size and look adorable. Great quality for the price.​​​​​​​​​​​​​​​​
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Reviewed in the United States on April 30, 2026
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Verified Purchase
Janet Cordes
Whiting, US
★★★★★ 5
Great shoe
Size: 3 Little Kid, Color: Black
Great slip ins. Comfortable and good arch support for high arches. Cute style
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Reviewed in the United States on December 21, 2025
N
Verified Purchase
NM_HS
Grantham, US
★★★★★ 5
Hands free comfort!!
Size: 5 Big Kid, Color: Black
Superb comfortable, great quality and got it at such a good price. My daughter is very happy and wears these every day since a couple of months and they still look new. Best part hands free!!
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Reviewed in the United States on December 1, 2025

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