Description
Maxton Design Street Pro Rear Diffuser for Subaru Impreza WRX STI Mk3 Facelift
Give your WRX STI a sharper, motorsport-inspired rear end while helping tidy airflow under the car. This Street Pro diffuser sits neatly under the bumper to add depth and a more planted look without going over the top.
Designed to fit Subaru Impreza WRX STI Mk3 Facelift models from 2011 to 2014. For other trims or years, use our vehicle lookup or check the Vehicle Fitment tab to confirm.
Made from 10 mm thick ABS plastic for strength and durability. It is impact and scratch resistant, with a UV-protective surface that stands up to sun, rain and road grime. No painting is required. If you choose to paint, apply primer first. Available in matte black or matte black with a red core. Each part carries authenticity labelling and arrives with a protective film.
The diffuser can help smooth airflow at the rear and may add a small stability benefit at speed. Expect a visual upgrade first and foremost on a road car.
- Street Pro rear diffuser
- Mounting kit
This product has TUV MATERIALGUTACHTEN certification for material quality.
Safety note: Test fit before final installation or painting. Install using the supplied hardware and recheck fixings after initial miles.
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