{"product_id":"ford-mustang-2018-2023-ecoboost-athena-rear-diffuser-spats","title":"FSPE ATHENA Rear Diffuser \u0026 Spats – Mustang S550 (2018–2023 Ecoboost)","description":"\u003ch2\u003e\u003cstrong\u003eFSPE ATHENA Rear Diffuser \u0026amp; Spats for 2018–2023 Mustang S550 Ecoboost\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTransform the rear profile of your S550 with the FSPE ATHENA Rear Diffuser \u0026amp; Spats, specifically engineered for the 2018–2023 Mustang Ecoboost. This premium aerodynamic upgrade combines an aggressive, refined aesthetic with high-grade materials to ensure your vehicle stands out on the street or at the track.\u003c\/p\u003e\n\u003cp\u003eConstructed from CNC-cut 5052 aluminum and finished in a durable semi-gloss black powder coat, the ATHENA system is built to withstand the elements while maintaining a show-quality look. The integrated 6-degree upward rake and precision-curved fins provide a sophisticated finish that complements the natural lines of the Mustang chassis.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e**Premium Construction:** CNC-cut from high-quality 5052 aluminum for precision and long-term durability.\u003c\/li\u003e\n\u003cli\u003e**Durable Finish:** Powder-coated in a semi-gloss black to provide a flawless, weather-resistant appearance.\u003c\/li\u003e\n\u003cli\u003e**Aerodynamic Design:** Features a 6-degree upward rake to enhance both visual appeal and aerodynamic performance.\u003c\/li\u003e\n\u003cli\u003e**Complete Aero Kit:** Includes the center rear diffuser, curved outer fins, and a pair of outer rear spats.\u003c\/li\u003e\n\u003cli\u003e**Precision Hardware:** Supplied with stainless steel bolts and pre-drilled mounting holes for a secure fit.\u003c\/li\u003e\n\u003cli\u003e**Optional Customization:** Compatible with optional flexible rubber edge trim with 3M backing for added visual contrast.\u003c\/li\u003e\n\u003cli\u003e**American Made:** Proudly designed and manufactured in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment \/ Applications\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2018-2023 Ford Mustang S550 (Ecoboost \/ Ecoboost Premium)\u003c\/li\u003e\n\u003cli\u003eNote: Does not fit GT, GT Performance Pack, GT350, GT500, or Mach 1 models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDetailed installation instructions are included to ensure a straightforward process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Pair this diffuser with FSPE’s CHAOS Front Splitter and side skirts for a fully coordinated, show-ready aero 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