Description
Transform the rear end of your BMW G8X M3 or M4 with the CARBONE Signature Dry Carbon Fiber Rear Bumper Diffuser – a premium upgrade engineered for both performance and visual impact. Designed as a full replacement component, this diffuser brings motorsport-inspired aggression and functional aerodynamic enhancements to your factory bumper without compromising fitment or quality.
Crafted from high-grade dry carbon fiber using CARBONE’s advanced aerospace autoclave system, the diffuser offers exceptional rigidity, weight savings, and a flawless high-gloss or matte carbon weave finish. Unlike standard wet-layup alternatives, this diffuser is manufactured using resin pre-impregnated carbon that’s vacuum-formed and cured under pressure, resulting in a product that’s 30–40% stiffer and more durable than conventional carbon fiber parts.
The Signature Rear Diffuser is precision-molded for perfect alignment with OEM mounting points and hardware. Its sculpted fins and dynamic profile not only amplify the vehicle’s rear-end styling but also contribute to improved aerodynamic efficiency by reducing turbulence and drag.
Whether you’re building your G80 M3 or G82/G83 M4 for the street or track, this diffuser is the ideal finishing touch that blends aggressive styling with engineering excellence.
Key Features:
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Full Replacement Rear Bumper Diffuser – Includes carbon frame for a complete OEM-style upgrade
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Aerospace-Grade Dry Carbon Fiber – Resin pre-impregnated, vacuum-formed, and autoclave-cured for superior strength
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30%–40% Stronger Than Wet-Layup Carbon – Maximized rigidity and resistance to warping or cracking
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Flawless Carbon Finish – Available in gloss or matte finish with premium weave consistency
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OEM Mounting Compatibility – Designed for precise fitment using factory hardware and locations
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Enhanced Aerodynamics – Functional rear fins help reduce drag and improve high-speed stability
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Signature CARBONE Styling – Designed and engineered in-house with performance-driven aesthetics
Fitment:
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BMW G80 M3 (2021+)
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BMW G80 M3 Competition RWD (2021+)
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BMW G80 M3 xDrive Competition (2021+)
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BMW G82 M4 (2021+)
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BMW G82 M4 Competition RWD (2021+)
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BMW G82 M4 xDrive Competition (2021+)
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BMW G82 M4 CSL (2023+)
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BMW G83 M4 Convertible (2021+)
Elevate your BMW’s exterior with the CARBONE Dry Carbon Fiber Rear Bumper Signature Diffuser – the perfect fusion of design, durability, and aerodynamic performance.
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
