Audi RS4 Avant B9.5 (2020-2024) Carbon Fibre/Carbon Fiber Rear Diffuser / Rear Valance / Lower Bumper Insert – CT Design Pre-Preg Dry Carbon Gloss – Facelift RS4 Estate/Wagon Rear Splitter

Rear valance upgrade for Audi RS4 Avant B9.5 by CT Design

Transform the rear of your RS4 Avant with this premium CT Design carbon rear lower bumper insert. Crafted from ultra-lightweight pre-preg carbon with a deep high-gloss finish, it delivers that aggressive OE+ look enthusiasts want while keeping weight to a minimum. The weave, finish and fit are exactly what you’d expect from CT Design, designed in-house by their team for a factory-level appearance with a motorsport edge.

Compatibility

Suitable for the facelift Audi RS4 Avant B9.5 only, model years 2020, 2021, 2022, 2023 and 2024 (MY20+). If you have an earlier 2016–2019 B9 car, contact us to confirm options before ordering.

Why enthusiasts choose this rear insert

• Pre-preg carbon construction for strength and minimal weight
• High-gloss finish for a premium, showroom-quality appearance
• Designed in-house by CT Design for an OE+ aesthetic that complements the RS4’s lines
• Enhances the rear profile, exhaust surround and overall stance

Our experience

We’ve installed this CT Design carbon rear piece on customer RS4 B9.5 cars and feedback has been excellent. Fitment, finish and the visual impact are exactly what RS owners are looking for in a premium rear aero upgrade.

Fitting service

Professional installation recommended. Book fitting with MJ Modifications in Warwickshire. For a quote, email: info@mjmodifications.co.uk.

Also known as

Rear valance, rear lower bumper insert, rear splitter, rear undertray styling, back bumper diffuser, rear aero trim, OEM+ carbon rear piece for Audi RS4 Avant.

Search-friendly terms

Audi RS4 Avant B9.5 rear valance, RS4 MY20+ rear bumper insert, Audi RS4 estate rear splitter, RS4 Quattro wagon rear carbon, CT Design carbon rear piece, RS4 2020 2021 2022 2023 2024 rear styling, dry carbon rear upgrade, gloss weave carbon rear, performance bodykit rear section, RS4 TFSI rear aero, Audi B9 facelift rear lower trim.