Description
Maxton Design Street Pro Side Skirt Diffusers with Flaps – Subaru Impreza WRX STI Mk3 Facelift
Give your STI a sharper, lower look with real-world toughness. These Street Pro side skirt diffusers add width and a clean line along the sills, helping manage airflow down the sides while protecting paintwork from road debris.
Designed for the Subaru Impreza WRX STI Mk3 Facelift (2011-2014). Use our vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
Made from 10 mm ABS plastic for strength and impact resistance. The UV-stable finish resists fading, and the material shrugs off typical road grime and weather. Choose matte black, or matte black with a red core for a discreet highlight. Parts arrive vacuum sealed with a protective film and are authenticity labelled.
No painting is required. If you choose to paint, use primer first for proper adhesion.
Street Pro flaps are included to finish the edge and sharpen the profile without looking overdone. The low-profile design aims to keep ground clearance usable for daily driving.
What you get
- Maxton Design Street Pro side skirt diffusers with flaps
- Mounting kit
Why fit these
They add a purposeful stance and help tidy airflow along the sides at speed. You also gain light protection for the lower doors and sills from spray and stones.
Installation and safety
Install on clean, dry surfaces and follow the supplied instructions. Check fasteners after initial miles. Ensure no interference with jacking points or underbody trim. Do not use if any component is loose, cracked, or improperly secured.
This product is TUV MATERIALGUTACHTEN certified for material quality.
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