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The "AP Design" dry carbon rear diffuser is—as Automotive Passion puts it—genuine OEM+ for the Audi RS3 8Y Gen 1: a motorsports-inspired look at the rear, but with factory-grade quality.
The extended aero fins on the underside smooth out air turbulence and improve stability at high speeds. The shape was optimized using proprietary simulation software on a CAD model under a wide variety of wind conditions. All parts are made of high-quality pre-preg dry carbon and finished with Glasurit’s premium clear coat, which includes UV protection.
Available finishes (please select):
Product details:
Assembly:
The diffuser replaces the stock part directly and uses all of the original mounting points and clip positions. This requires removing the rear bumper—we therefore recommend having it installed by an experienced professional repair shop.
Scope of delivery:
1x Audi RS3 8Y Gen 1 "AP Design" Dry Carbon Rear Diffuser
Suitable for:
Our carbon parts embody our motto,“Performance Through Quality.” In addition to the statutory warranty, we offer a 24-month replacement warranty for material or surface defects.
Note regarding TÜV approval: This part can currently only be registered at our location ( Osterburken). The TTG (Parts Type Approval) certification is currently in the works.
Would you like it installed? We'd be happy to install the part at our workshop in Osterburken —just call us at (+49 6291 6487601) or send us a message on WhatsApp to schedule an appointment.
In the video: Dry Carbon “AP Design” Aero Kit on the Audi RS3 8Y
Front lip, side skirts, diffuser, and more—live on the car
Unless otherwise indicated, all articles and services are racing articles without guarantee / warranty and without STVO approval.
The same applies to modifications made to the vehicle. The performance figures provided are averages based on ARAL 102 OCTANE fuel; they may vary depending on the use of lower-quality fuel or wear and tear on the vehicle.
No acceleration times are guaranteed. Using the wrong type of fuel at a later date may cause damage to the vehicle. No warranty or guarantee is provided for this!
HPerformance assumes no liability for mobility guarantees or costs incurred during the modification period, nor for any resulting delays.
Scheduled timeframes are not binding and may vary as needed.
All services are custom-made and one-of-a-kind products that are excluded from the statutory right of return.
No warranty is provided for products that are not installed in a specialized workshop by trained professionals.
Work on motor vehicles may only be performed by trained professionals. Installation errors can lead not only to product malfunctions but also to dangerous technical and, in some cases, legal consequences for the vehicle.
Therefore, please have all modifications performed by a certified automotive repair shop affiliated with the trade guild.
If installation instructions for a product are not available for download in the online store, they are not available.
- Installation advice or instructions are not provided over the phone.
If vehicles have been modified previously, additional costs may apply. Please note that our TÜV-approved/registrable products are not necessarily compatible with products from other manufacturers for registration purposes ! Please verify in advance whether any hardware components you have already installed—that are not from HPerformance—can be registered as TÜV-compliant when used with our products!
Discoloration occurs on the silencers, pipe and tailpipe of all exhaust system components during operation. These are material-related changes that are not covered by the warranty/guarantee of the item and have no negative effect on the use or technical properties of the item.
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