Description
Maxton Design Street Pro Rear Diffuser with Flaps – Ford Focus ST Mk3 Facelift (2015-2018) – Black/Red
Give your Focus ST a sharper, motorsport look and cleaner airflow. This Street Pro rear diffuser with flaps adds defined fins to help tidy the air leaving the rear bumper. Expect a subtle stability gain at speed and a more aggressive stance.
Engineered from 10 mm ABS for strength and durability. The Black-Red variant uses a matte black surface with a red core that adds a crisp accent line. The panel has a UV protective coating and is resistant to scratches, temperature changes and typical road impacts.
Designed specifically for the Ford Focus ST Mk3 Facelift (2015-2018). For confirmation, use our vehicle lookup or see the Vehicle Fitment tab.
Key details
- Street Pro rear diffuser with matching side flaps in Black-Red finish
- 10 mm ABS construction – rigid and impact resistant
- UV coated, weather resistant, supplied with protective film
Arrives ready to fit – no painting required. If you choose to paint, use a suitable primer first. Parts are authenticity labelled and TUV MATERIALGUTACHTEN certified for material quality.
Safety and installation: Use the supplied mounting kit and follow the instructions. Professional fitting is recommended. Check ground clearance after installation and avoid lifting the car by the diffuser.





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