BMW 3 Series G20 Saloon/Sedan Quad Exit Carbon Fibre Rear Diffuser Insert – CT Style Rear Valance/Rear Bumper Insert/Rear Apron, Quad Tip Exhaust Surround (2018–2022)

Transform the back end of your 3 Series saloon with this CT-style carbon rear valance insert, engineered for vehicles running a four-tailpipe exhaust layout. Crafted from real carbon fibre for a premium look and feel, this performance styling upgrade adds a sharper, more aggressive finish with motorsport-inspired aesthetics.

• Real carbon fibre construction for a premium, lightweight upgrade
• Vehicle-specific design for the G20 saloon for a neat, snug fit
• Track-inspired styling that complements quad tailpipe conversions
• Clean, high-end weave that elevates the rear end appearance

Fitment

• Platform: BMW 3 Series G20 saloon
• Years: 2018 to 2022
• Exhaust layout: for quad-exit systems only
• Compatibility note: does not fit 340i

We have installed this rear bumper diffuser insert for local customers and feedback has been excellent. It gives the rear of the car a bolder silhouette and pairs perfectly with quad tailpipes for a cohesive performance look.

Why choose this carbon rear upgrade

• Aggressive rear profile without compromising OEM+ styling
• Enhances the appearance of quad exhaust conversions
• Precision-made carbon part for a quality finish

Installation

Professional fitting recommended. Book fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Search-friendly terms

3 Series G20 rear valance, carbon rear bumper insert, rear diffuser insert, quad exhaust surround, four tailpipe rear lower, performance rear skirt, carbon rear apron, rear splitter for G20, aftermarket aero, body kit styling, carbon rear undertray look, tuning parts for BMW saloon, quad tailpipe carbon trim, CT style carbon rear.