Description

Audi A3 / S3 8Y Sedan Rear Diffuser

Give your Audi a lower and more aggressive rear profile with this Audi A3 8Y rear diffuser. Designed for selected Audi A3 and S3 8Y Sedan models, it adds gloss black detailing and pronounced vertical fins along the bottom of the rear bumper.

The wide design follows the bumper’s lower edge and creates a sharper finish without replacing the complete bumper. In addition, its gloss black surface pairs well with black spoilers, side skirts and other exterior styling accessories.

Audi A3 8Y Rear Diffuser Features

Sport-inspired rear diffuser design
Gloss black finish
Multiple vertical diffuser fins
Wraparound corner sections
Creates a lower and wider-looking rear profile
Aftermarket exterior styling accessory

Audi A3 / S3 8Y Compatibility

This Audi A3 8Y rear diffuser is intended for selected sedan models fitted with the rear bumper shown in the product images. Since Audi uses different bumpers across its trim levels and body styles, the 8Y model code alone does not confirm fitment.

Audi A3 8Y Sedan
Audi S3 8Y Sedan
Suitable only for selected rear bumper designs
Not suitable for A3 8Y Sportback models
Not suitable for RS3 bumpers unless confirmed
Not suitable for earlier Audi A3 8V models

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Rear Diffuser Fitment

Before installation, position the diffuser along the lower edge of the rear bumper. Check that the centre section, outer corners and mounting areas line up evenly without placing unnecessary pressure on the product.

Once correctly aligned, secure the diffuser using suitable automotive-grade mounting hardware. Additional automotive adhesive may also be required, depending on the bumper surface and installation method.

Professional installation is recommended for accurate alignment and secure fitment. Take additional care around steep driveways and raised surfaces because the diffuser sits below the original bumper.

Important Before Ordering

Audi A3, S3 and RS3 8Y models can use different rear bumper designs. Furthermore, the Sedan and Sportback body styles are not interchangeable. Compare your rear bumper carefully with the product images before ordering.

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NB. If you are unsure of fit to your vehicle, please contact us before ordering.