Street Aero Rear Diffuser Ford Mustang 2005-2009

Add aggressive aero styling and improved performance to your 2005–2009 Mustang with the Street Aero Rear Diffuser. Featuring a durable aluminum build, race-inspired fins, and easy installation, it’s the perfect blend of form and function for the street or the track.

Top Benefits

• Improved Rear-End Aero – Helps reduce drag and rear-end lift at speed by smoothing airflow underneath the car.

• Track-Ready Aesthetics – Adds a motorsport-inspired look that sets your Mustang apart from the crowd.

• Built to Last – Durable aluminum construction with a corrosion-resistant finish ensures long-term durability.

Key Features

• Lightweight Aluminum Build – Strong yet lightweight design for balanced performance and durability.

• Aggressive Fin Layout – Functional fins increase aerodynamic efficiency and visual impact.

• Direct Fitment – Designed specifically for 2005–2009 Mustangs for straightforward installation.