Upgrade your Ford Mustang with this aggressive GT500 style rear spoiler with gurney flap for Mustang S550, designed specifically for S550 FM and FN models (2015–2023).
This Mustang GT500 style rear spoiler with gurney flap transforms the rear profile with a bold, track-inspired look while maintaining a clean, premium finish. Designed for Mustang enthusiasts looking for a complete GT500-style exterior upgrade with matching aerodynamic components.
Perfect Fitment for S550 FM & FN Mustangs
Engineered for precise fitment on:
- Ford Mustang S550 FM (2015–2017)
- Ford Mustang S550 FN (2018–2023 facelift)
- Compatible with GT, EcoBoost and GT Premium models
Designed to follow factory body lines and boot contours for a seamless OEM-style integration.
GT500 Style Spoiler with Gurney Flap
This rear spoiler features the iconic GT500 design paired with an integrated gurney flap, delivering:
- Aggressive track-inspired rear styling
- Enhanced aerodynamic profile
- Sharper rear-end presence
- Motorsport-inspired design used in high-performance Mustangs
Premium Construction & Finish
Manufactured using high-quality automotive-grade materials:
- Durable and lightweight construction
- Built for long-term use
- Designed to withstand Australian weather conditions
- Clean finish suitable for all body colours
Installation – Professional Fitment Recommended
- Requires precise drilling into the boot lid
- Secure mounting ensures long-term durability
- Professional installation strongly recommended
Professional installation ensures correct alignment and prevents damage during drilling.
What’s Included
- 1 x GT500 Style Rear Spoiler
- 1 x Gurney Flap
- Mounting hardware
🔥 Complete Your Mustang Build
Take your Mustang styling to the next level by pairing this spoiler with other upgrades:
- Upgrade your side profile with Ford Mustang S550 Side Skirts
https://stylemycar.com.au/product/ford-mustang-s550-side-skirts-2015-2023-styling-upgrade/ - Enhance front-end styling with Ford Mustang S550 FM Front Lip
https://stylemycar.com.au/product/ford-mustang-s550-front-bumper-lip-2015-2017-fm/ - Add aggressive rear styling with GT500 Rear Diffusers (FM & FN Mustangs)
- Complete the rear glass look with Mustang Rear Window Louvers
https://stylemycar.com.au/product/ford-mustang-s550-lamborghini-style-rear-window-louvers-2015-2023/ - Upgrade rear panel styling with Mustang Stealth Decklid Panel
https://stylemycar.com.au/product/product-ford-mustang-s550-stealth-decklid-2015-2023/ - Modernise your rear end with Mustang Tail Lights
These upgrades work together to create a complete GT500-inspired exterior package with a cohesive and aggressive finish.
Why Choose This Mustang Rear Spoiler
- Instantly transforms rear styling
- One of the most popular Mustang rear spoiler upgrades for S550 models
- Adds a premium performance-inspired appearance
- Works perfectly with full GT500-style builds
- One of the most impactful exterior upgrades
Installation Options
- Professional installation recommended
- Installation service available in Sydney
Why Buy From StyleMyCar
- Australian supplier with local Sydney stock
- Fast dispatch Australia-wide
- Carefully selected for Mustang enthusiasts
- Installation support available
❓ FAQs
Will this fit both FM and FN Mustangs?
Yes, this spoiler is designed to fit S550 FM (2015–2017) and FN (2018–2023) models.
Does this come with a gurney flap?
Yes, this spoiler includes a gurney flap for enhanced styling and performance appearance.
Is drilling required?
Yes, drilling is required for proper installation and secure mounting.
Can I install this myself?
Installation is possible, however professional installation is strongly recommended due to drilling and alignment requirements.
Is this a genuine GT500 part?
This is an aftermarket GT500 style spoiler inspired by the original design.
What material is it made from?
Manufactured from high-quality automotive-grade materials designed for durability and long-term use.
Will this fit convertible models?
No, this spoiler is designed for fastback models only.
Will it improve performance?
The gurney flap design is inspired by motorsport aerodynamics and can assist with airflow and rear stability at speed.
Do you offer installation?
Yes, installation is available in Sydney for an additional fee.
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