M4 Rear Diffuser: BMW G80 M3 Carbon Fiber PSM Diffuser
BMW G8X M3/M4 CARBON FIBER PSM DIFFUSER UNDERTRAY KIT 9 PIECES - G80 M3/ G82 G83 M4 Norcal Dynamics

BMW G8X M3/M4 CARBON FIBER PSM DIFFUSER UNDERTRAY KIT 9 PIECES - G80 M3/ G82 G83 M4

$1,799.99
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BMW G80 M3 Carbon Fiber PSM Diffuser + Undertray

Upgrade the rear of your G8X with our 9-piece Carbon Fiber PSM Diffuser + Undertray. Built from premium 2x2 weave carbon fiber, this kit delivers aggressive styling, improved aerodynamics, and OEM-level fitment.

Features:

  • Genuine 2x2 weave carbon fiber

  • Full 9-piece kit (diffuser, undertray, fins, panels, tow hook cover)

  • Optional side splitters available

  • Enhances airflow & rear-end stability

  • OEM-style fitment for G80 M3 / G82-G83 M4

  • UV-resistant clear coat for long-lasting gloss

Fitment:

  • 2021+ BMW G80 M3

  • 2021+ BMW G82 / G83 M4

Notes:

  • Professional installation recommended