SKU: 17687871698

Flow Designs GT Mustang S550 FN Rear Valance

Sale price$157.50 Regular price$175.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 18 - Sep 23

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Flow Designs GT Mustang S550 FN Rear ValanceSuits 2018+ Ford Mustang GT S550 FN INSTALL DOES NOT REQUIRE REAR BUMPER REMOVAL For rear diffuser with Flow Lock fins click here. Details 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


Suits 2018+ Ford Mustang GT S550 FN

INSTALL DOES NOT REQUIRE REAR BUMPER REMOVAL

For rear diffuser with Flow-Lock fins click here.


Details

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. 

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

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:

  • Mustang S550 FN rear valance
  • 2 Flow Designs stickers
  • Fitting kit

Material & Finish:

  • Valance: 10mm thick polyethylene composite, bevelled edges
  • Flow-Lock diffuser fins: 4.5mm thick textured ABS 
  • Valance: Finish available in gloss black, or scratch-resistant textured matte black
  • Flow-Lock diffuser fins: scratch resistant textured ABS plastic
  • CNC engraved logo and features

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: 17687871698

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4.9 ★★★★★
Based on 29 reviews
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Lauren
Bozeman, US
★★★★★ 5
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I bought this jewelry case for traveling on a cruise and I absolutely LOVE IT! When I purchased it I didn’t know if it would actually fit all the jewelry I wanted to bring but this box definitely impressed me! It fit all my regular jewelry plus more bc you know us woman love to coordinate with our outfits lol the case/box is sturdy! It didn’t break or even dent throughout my travels. It comes with different pieces to help organize and separate jewelry but it is removable if needed which I had to do bc one of my necklaces is really big. The case fit perfectly in my carry on luggage and didn’t take up much room at all which helped me a lot. I got the black case and I just love how simple and sleek it looks. This is definitely a must have if you need to travel with jewelry and are concerned about things getting damaged, this case keeps them safe and it’s definitely a great value for your money!
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Reviewed in the United States on April 15, 2024
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Missy
Lowell, US
★★★★★ 5
Cute
Wish it was a bit bigger. Currently works for what I was looking for.
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Reviewed in the United States on January 19, 2026
A
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April Hollars
Dallas, US
★★★★★ 5
Gorgeous Tiffany-Blue & Perfect for Travel
I absolutely adore this little jewelry case. I don’t have a huge jewelry collection, so the size is perfect for me. It keeps everything organized without being bulky. The zipper feels very sturdy and smooth — not flimsy at all. And for anyone who loves Tiffany’s blue… the color is almost an exact match. I can set it next to my Tiffany box and it’s nearly identical. It’s such a pretty, luxe-looking shade. Highly recommend.
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Reviewed in the United States on February 18, 2026
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BRENDA C
Fort Morgan, US
★★★★★ 5
Convenient
This is great to take with you if you’re going out of town. It’s easier to keep track of your jewelry. It doesn’t take up much room, but holds several rings earrings and three necklaces.
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Reviewed in the United States on April 6, 2026
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Theresa
Bozeman, US
★★★★★ 5
Compact space saver jewelry case
Color: Pink
This is a small but compact jewelry case. Love that it holds all your special items, and you can grab and go anywhere with it! Love the pink color and that it has a zipper to keep the jewelry from falling out .
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Reviewed in the United States on May 7, 2026

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