Flow Designs - Ford S550 Mustang Rear Spats - Pair (2018-2022 Mustangs ONLY)

SKU: SKU: FlowDesigns-FN18SP

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Please Note: Pricing on our site is pricing for this one individual part picked up at our shop. Please contact us if planning on buying more than one FlowDesigns product as we will be able to offer discounts on multiple Flow products.

Please Note: Flow Designs products do not ship for free, please contact us so we can get you a custom shipping quote if you're not picking up. If you order first we will email you a shipping quote within 48hrs.

Ford S550 Mustangs 2018+ - FN REAR SPATS (PAIR)

Ford S550 Mustangs 2018+ - REAR SPATS (PAIR)


Fits 2018+ Ford Mustang S550 FN


Experience Flow-Lock rear diffuser for your Mustang S550 FN, sharing the same durability and technology as our renowned WRX, Golf GTI & MK3 Focus RS line up which is trusted by car enthusiasts worldwide. The rear valance and diffuser fins will clear the Mustang S550 FN dual exhaust tips with ease, and rear bumper removal is not necessary for installation of the diffuser. 10 year warranty applies for the rear valance (excludes ABS fins).

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 Mustang S550 FN rear. Front lip splitter is also available for the Mustang S550 FN.

No more L-brackets, no additional exposed hardware and no double-sided tape, experience the Flow-Lock difference today!

We offer fast Australia-wide and international shipping for all our products - join the worldwide Flow Family today!

Mustang S550 FN Rear Spats Kit Includes:

  • Mustang S550 FN rear spats
  • x2 Flow Designs stickers
  • Fitting kit

Mustang S550 FN Rear Spats Material & Finish:

  • 10mm thick polyethylene composite, bevelled edges
  • Hand polished satin black

Installation Instructions