Audi RS3 8Y Sportback 2025+ Carbon Fibre Rear Diffuser – CT Design
$1,585
The CT Design rear diffuser for the new 2025 Audi RS3 8Y facelift made from high-quality pre-preg carbon fibre in a high gloss finish, transforming the rear end with style and aggression.
Compatible Models
- 2025+ AUDI RS3 8Y SPORTBACK
The CT Design rear diffuser for the new 2025 Audi RS3 8Y facelift made from high-quality pre-preg carbon fibre in a high gloss finish, transforming the rear end with style and aggression.Â
Fitting
There are three ways to get your CT Carbon products fitted:
- Book in at our fitting facility in Hertfordshire, UK.
- Find a fitting partner near you and book in for fitting with them directly.
- Follow one of our fitting guides to install the products yourself.
For more information visit: ctcarbon.co/pages/fitting-1
Shipping & Warranty
All CT Carbon products come with a 12-24 month warranty. Full warranty information: ctcarbon.co/pages/warranty
Shipping
- Orders before 3pm GMT dispatched same day.
- Free UK delivery on all products.
- Worldwide delivery available.
8 reviews for Audi RS3 8Y Sportback 2025+ Carbon Fibre Rear Diffuser – CT Design
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Jake Robinson –
Couldn’t be more pleased with this diffuser for my AUDI RS3 8Y SPORTBACK 2025+. Delivery was fast, packaging was excellent and the quality exceeded my expectations. Easy 5 stars — will be back.
Josh Murphy –
Average experience. The diffuser for my AUDI RS3 8Y SPORTBACK 2025+ is okay quality — the carbon is real and the weave looks fine. Shipping took about two weeks which was longer than expected. Fits alright but nothing exceptional.
Ryan Caldwell –
Nice diffuser for the AUDI RS3 8Y SPORTBACK 2025+. Fitment is about 95% — one edge sits very slightly proud but you would only notice up close. Carbon finish is great. Deducting one star for that small fitment issue.
Jordan White –
Pretty impressed with this diffuser. It looks fantastic on the AUDI RS3 8Y SPORTBACK 2025+ and the quality is clearly better than budget alternatives. Minor deduction for a slight imperfection near one fixing point, but it is barely visible fitted.
Brandon Lee –
Ordered this diffuser for my AUDI RS3 8Y SPORTBACK 2025+ and I have zero complaints. The finish is immaculate, the weave is consistent and it was delivered faster than expected. Already planning my next order.
Ben Thompson –
The diffuser arrived quickly and fits my AUDI RS3 8Y SPORTBACK 2025+ perfectly. Solid carbon quality — you can feel the difference compared to cheaper alternatives. Highly recommend CT Carbon Kits.
Chris Dawson –
Good value diffuser for the AUDI RS3 8Y SPORTBACK 2025+. Not quite the perfect weave I was hoping for in one corner but that is nitpicking at this price. Overall a really solid part and great customer service from CT Carbon.
Dylan Morris –
High quality diffuser at a very fair price. Fitted it to my AUDI RS3 8Y SPORTBACK 2025+ last weekend and the result is superb — looks like it came straight from the factory. CT Carbon are now my go-to supplier.