Our most aggressive rear diffuser for the F8X M3/M4 — and our best-selling carbon fiber product to date. The P-Style delivers a bold, aftermarket presence you won't get from any OEM-style replacement, transforming the rear end of your M3 or M4 into something unmistakably aggressive. Like every carbon fiber product we offer, this diffuser is finished with an OEM-quality UV-resistant clear coat to protect against fading and sun damage. All four pieces feature a clean 2x2 twill carbon weave for a factory-grade appearance. Features: Most aggressive diffuser design for the F8X M3/M4 Genuine 2x2 twill carbon fiber construction OEM-quality UV-protective clear coat Uses all factory mounting points — no drilling required Pre-drilled holes on all pieces except the fins Installation Notes: Professional installation is highly recommended. Mounting requires OEM BMW 8mm speed clips and screws (not included), available at most hardware stores or your local BMW dealership. For a proper, secure fit, we recommend attaching the two large undertray fins to the center diffuser piece using 2–4 self-tapping screws. Please note that the undertray is not sold separately. If you have any questions about installation, don't hesitate to reach out — we're here to help. FITMENT - BMW F80 M3 2015+ - BMW F82/F83 M4 2015+