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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
We strongly recommend professional installation to ensure proper fitment and a clean final finish
better feel over rough pavement
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so you can sharpen steering response and body control without making the ride punishing over rough pavement
Made In The USA
Performance V2 Carbon Fiber Rear Diffuser Extensions - G80 M3 | G82 / G83 M4 Diffusers We strongly recommend professional installationSharpen the rear profile of your G8X M3 or M4 with Performance V1 prepreg carbon fiber rear diffuser extensions. Designed for sedan, coupe, and convertible models, these extensions enhance the factory diffuser with a longer, more aggressive profile while maintaining a clean OEM plus appearance. Constructed from 100 percent genuine prepreg carbon fiber and cured in an autoclave, these extensions offer a lightweight yet rigid structure with consistent
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