Flow Designs Rear Valance & Flow-Lock Diffuser - Audi S3 8V PFL Sportback 13-16

Sale price$299.00

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Suits Pre-facelift Sportback only

Improve the aero aesthetic of your Audi S3 8V PFL Sportback with Flow Designs splitter set! The kit includes front and side splitters, Flow-Lock rear diffuser, rear spats and adjustable accessories all round. Our splitters are designed to fit perfectly to your stock bodykit and are proven as the most durable on the market.


Concealed steel brackets are the key feature of this kit.
The goal was to create a bracket that is discreet, sturdy and can be assembled without the use of any exposed hardware whilst maintaining the correct angle.

Borrowing the technology of Flow-Lock, black powder-coated brackets are slipped in-between each diffuser fin and locked into place. With a simple “push and click” action of the fins, the diffuser is assembled and ready for installation.
No “L-Brackets” no double-sided tape, no exposed hardware.

The assembled diffuser is now ready to be installed on to the car. Bumper removal is not required, only basic hand tools are necessary. 

A strong and reliable product that is well designed and easy to install.

Kit Includes:

  • Rear valance
  • 4 black powder-coated steel mounting brackets
  • 4 pairs rear Flow-Lock diffuser fins
  • 2 Flow Designs Stickers
  • Fitting kit


  • 10mm thick polyethylene composite rear valance with bevelled edges
  • 4.5mm thick Scratch resistant textured ABS Flow-Lock Diffuser Fins

    Why do we use Polyethylene Composite for Flow Designs Splitters?

    Strong, impact-resistant, doesn't corrode or chip, and has excellent abrasion resistance (say… from scraping on driveways and road all the time?)

    Carbon Fibre is better isn’t it?

    As strong and light as Carbon fibre is, it CRACKS on impact or when under load and/or stress. Clearcoat will eventually fade & cracks and become undesirable.

    Use of ABS Plastic
    Please note that although all our precision-made ABS accessories are extremely strong and durable, they do not hold the same shatterproof label as our 10mm thick polyethylene composite splitters. The accessories are manufactured in ABS with the intention that they will be lighter, bolt-on attachments that will improve aesthetics and are easily replaceable if they become damaged from varying road conditions. 

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