05-09 GT Diffuser/Rear Side Splitter Combo
05-09 GT Diffuser/Rear Side Splitter Combo
Description
05–09 GT Diffuser & Rear Side Splitter Combo
Complete Rear Aero Package: Includes Rear Diffuser & Side Spats
This is the definitive rear-end transformation for the 2005–2009 Mustang GT. By bundling the rear diffuser with matching side spats, this kit creates a unified, track-ready aesthetic that wraps the entire lower perimeter of the rear bumper. This setup eliminates the high-clearance factory look and replaces it with a grounded, aggressive stance.
Heavy-Duty 6mm ACM Construction
Every component in this kit is manufactured from 6mm (1/4") Aluminum Composite Material (ACM) to ensure professional-grade durability.
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Rigidity & Stability: Unlike thin plastic or fiberglass, 6mm ACM remains perfectly rigid. It is engineered to resist warping or sagging, even when exposed to high exhaust temperatures.
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Satin Black Finish: Each piece comes pre-finished in a UV-resistant Satin Black that blends seamlessly with factory trim and aftermarket accents.
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Impact Resistant: The material is 100% rust-proof and built to withstand road debris and rock chips kicked up by the rear tires.
Installation & Fitment
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Bolt-On Compatibility: The rear side splitters mount directly to the lower edge of the rear bumper. The diffuser is specifically designed to utilize existing mounting points, including the evap bracket and the lower bumper edge near the exhaust tips.
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Pre-Drilled Precision: To ensure straightforward alignment, the diffuser features pre-drilled holes for a precise fit.
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Hardware Included: The kit provides longer, stainless steel replacement hardware specifically sized to accommodate the 6mm ACM thickness, ensuring a secure fit into factory mounting points.
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Precision Contoured: Every piece is precision-cut to follow the specific geometry of the 2005–2009 GT rear bumper.
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Ready to Mount: This combo ships with all components ready for installation—no complex brackets or bumper removal required.
What’s in the Box?
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(1) 6mm ACM Rear Diffuser
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(2) 6mm ACM Rear Side Splitters (Driver & Passenger Side)
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Complete Stainless Steel Mounting Hardware
Product Specifications
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Fitment: 2005–2009 Ford Mustang GT Only ( Does not fit V6 or 2010–2014 models)
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Material: 6mm (1/4") Premium ACM
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Finish: UV-Resistant Satin Black