Upgrade the rear of your G8X with this M Performance style dry carbon fiber diffuser, designed specifically for the BMW G80 M3 and G82/G83 M4. This diffuser follows the OEM M Performance look, giving your car a more aggressive and complete rear profile while keeping a clean, factory-inspired design.
It’s the go-to option if you want a noticeable upgrade without going overly aggressive.
M Performance Style – OEM+ Rear Upgrade
This design keeps things clean while adding the right amount of aggression.
OEM M Performance inspired design
Sharper fins and more defined lower profile
Adds depth and width to the rear bumper
Clean OEM+ styling that flows with the car
Perfect for builds that want a refined but upgraded look.
Real Dry Carbon Fiber Construction
Built using true dry carbon fiber for strength, weight savings, and a premium finish.
Genuine dry carbon fiber construction
Lightweight and durable
High-gloss UV-resistant clear coat
Tight, uniform carbon weave
Designed to hold up against heat and road conditions while maintaining its finish.
OEM Fitment – G8X Specific
Fits BMW G80 M3 (2021+)
Fits BMW G82 / G83 M4 (2021+)
Full replacement rear diffuser
Designed for factory rear bumper
Professional installation recommended
Sits flush and aligns properly with the bumper.
Shipping & Warranty
Free shipping
Delivery time: 7–14 days after order processing
Secure packaging to prevent damage
Backed by a 1-year warranty (covers clear coat fading, yellowing, or cracking upon receipt)
Why This One
Some diffusers go too far — others don’t do enough.
