05-09 Mustang GT500 Spoiler Wicker Bill (OG Edition)

Fits: 2005–2009 Mustangs equipped with GT500-style Rear Spoilers 

• Note: Will not fit any other style spoiler than the GT500. Please verify your current spoiler before purchase.

Give the Mustang a bolder, more distinctive rear profile with this original-design GT500 Spoiler Extension. Unlike any other wicker bill on the market, this component features a specialized aggressive style with precision cut-outs at the bottom. These relief cuts reveal the actual spoiler body beneath the extension, creating a unique, layered look that adds depth and a high-end custom aesthetic to the rear of the vehicle.

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  Product Highlights

  • Original Aggressive Styling: Featuring a signature design with bottom-edge cut-outs, this extension provides a unique visual break that showcases the lines of the spoiler body for a more complex, track-inspired appearance.

  • Heavy-Duty Construction: Manufactured from 6mm (1/4") ACM. At twice the thickness of standard 3mm kits, this extension provides a substantial, beefy profile that remains perfectly rigid under aerodynamic load.

  • Satin Black Finish: Pre-finished in a UV-resistant satin black that matches factory trim perfectly and requires no painting or prep work.

  • Precision Contoured: Router-cut to follow the specific geometry of the GT500 spoiler for a seamless, integrated fit.

  • Weatherproof & Durable: The aluminum-composite material is 100% rust-proof and engineered to resist warping or fading in direct sunlight.

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  Installation & Mounting Options

  Please Note: This wicker bill does not come with pre drilled holes. This allows the installer to choose their specific mounting positions and hardware style. This wicker bill can be installed using several traditional methods:

  • Rivnuts (Nut-Serts): The recommended method for a professional "bolt-on" look. This involves installing threaded inserts into the spoiler, allowing the wicker bill to be easily removed or swapped using machine screws. This requires a rivet nut tool and is the reason this hardware is not included. 

  • Self-Tapping Screws: A quick and straightforward installation method for those looking for a secure fit with minimal specialized tools. Self tapping screws are included and will work but are not the "best" method. (See above)

  • Standard Rivets: A classic, permanent mounting solution often seen on track-focused builds. This provides a clean, low-profile attachment that is highly resistant to vibration.

  • What’s in the Box?

  • (1) 6mm ACM GT500 Spoiler Wicker Bill (Original Cut)

  • Self tapping screws

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  Product Specifications

  • Fitment: 2005–2009 Ford Mustang with GT500-style Rear Wing

  • Material: 6mm (1/4") Premium ACM

  • Finish: UV-Resistant Satin Black

Wicker Bill Spoiler Installation Guide