Skip to content
HARRYS EURO - NZ's Largest Online Performance Parts Store
HARRYS EURO – NZ's Largest Online Performance Parts Store

GT Mustang S550 FM Side Skirt Splitters (Pair)-Flow Designs

$690.00
Material Finish
Side Skirt Splitter Winglets (Pair)
This product is ready to order. Orders will have an estimated 2-week lead time.

Suits 2015-2017 Ford Mustang GT S550 FM

INSTALL DOES NOT REQUIRE SIDE SKIRT REMOVAL

The Mustang S550 FM side skirt splitters have brass fittings at the rear of the splitter for custom winglet configurations - customise to your taste!


Details

Finish the exterior aesthetic of your Mustang S550 FM with our side skirt splitters - renowned for their durability under all driving conditions worldwide! For the first time we have included pre-pressed brass thread fittings on both ends of the side skirt splitter, which will allow for the installation of our adjustable Mustang S550 FM side winglets (sold separately) for both front and rear ends of the side splitter. Easy install instructions are included and side skirt removal is NOT required.

The Mustang S550 FM entire body kit range shares the same technology used in our renowned WRX, Golf GTI and Focus RS line up which is trusted by car enthusiasts around the world.

All our lip splitters have a 10 year warranty and are made from a thick polyethylene composite, making it the strongest product of its type on the market, watch our front splitter stress test to see how durable our splitters are. Each splitter is model specific in its development and design to ensure perfect fitment. The entire production process is done is our Bayswater factory making us proudly Australian made and owned.

Brass threads located on each side will for easy installation of our adjustable Mustang S550 FM side winglets, creating your own style with our bolt-on accessories range (sold separately).

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


GT Mustang S550 FM Side Skirt Extension Splitter Kit Includes:

  • Mustang S550 FM side skirt splitters (pair)
  • 2 Flow Designs stickers
  • Fitting kit

GT Mustang S550 FM Side Skirt Extension Splitter Material & Finish:

  • 10mm thick polyethylene composite, bevelled edges
  • Finish available in gloss black, or scratch-resistant textured matte black

Others Who Own This Kit:

Ford Mustang S550 FM Splitter Kit

Install Instructions (PDF)

  • Unsure about fitment?
    Chat with our performance expert
  • NZ's largest Online performance parts store
  • All products backed by manufacturer warranty
  • 100% genuine parts
  • Hassle-free 30-day returns & refunds
  • Competitive pricing
    Seen a better price elsewhere? Let us check
  • Workshop installation available
  • Fast 1-3 days dispatch on in-stock items
  • Shipping from only $11.90
  • Click & collect available
  • Dealer-level MTA workshop
  • Expert tuning, upgrades, and servicing
  • Visit us: 15a parkway drive, Rosedale, Auckland
  • Open 6 days

Harrys Euro

150+ Brands · 30,000+ Performance Parts

Proudly Serving Kiwi Drivers for Over 9 Years
Store & Workshop
Workshop

Parts + services, under one roof

Shop performance parts in-store or online, then have them fitted and tuned by the same team. No referrals, no second trips.

Performance

Dealer-level workshop, MTA assured

Fully equipped to support late-model European vehicles — diagnostics, servicing, and performance builds done right.

Parts

Built for real-world performance

We fine-tune high-performance machines to suit how you actually drive.

Happy Customers

4.8
Based on 146 Google reviews
as of 01/05/2026
×

Follow Our Journey

Live build updates, event coverage, and behind-the-scenes — on Instagram.

Follow Us on Instagram ↗