Transform the rear of your G8x with a premium carbon rear valance
Give your G8x platform a purposeful, motorsport-inspired look with this MP-inspired rear lower valance. Crafted from lightweight, high-strength pre-preg carbon fibre, it delivers an aggressive OEM+ aesthetic while complementing the factory body lines. Expect a sharper stance, enhanced road presence and a quality finish that looks right at home on your performance saloon, touring, coupé or convertible.
Why enthusiasts choose this rear aero upgrade
- Pre-preg carbon construction for superb rigidity and low weight
- Performance styling upgrade that elevates the rear end instantly
- Precise model-specific design for the G8x platform
- Quad-exit compatible openings to suit the factory exhaust layout
- OEM+ fit and finish that pairs perfectly with other carbon exterior parts
Compatibility
- M3 G80 Saloon — 2021 onwards
- M3 G81 Touring — 2021 onwards
- M4 G82 Coupé — 2021 onwards
- M4 G83 Convertible — 2021 onwards
What it does for your car
This rear bumper insert, also searched as a rear splitter, rear diffuser trim or lower bumper cover, sharpens the back end with a clean, performance-led design. The carbon weave adds a premium finish that ties in with other exterior carbon pieces while helping to tidy up airflow across the rear section.
Quality you can trust
We run this part on customer builds and the feedback has been outstanding: excellent fitment, standout appearance and that desirable OEM+ vibe. If you want a factory-style upgrade with a motorsport edge, this is the rear end treatment to choose.
Fitting and support
Professional installation recommended. For supply and fitting, choose MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.
Common search terms
G8x rear valance, G80 rear splitter, G81 rear bumper insert, G82 rear carbon trim, G83 lower diffuser, M Performance inspired rear, carbon rear undertray, rear lip, OEM plus carbon upgrade, G80 quad exhaust diffuser, carbon rear bumper garnish.
