Seibon MB-style Carbon Fiber Rear Diffuser | 2023+ Honda Civic Type R (RD23HDCVR-MB)MB style Carbon Fiber Rear Diffuser for 2023+ Honda Civic Type R by Seibon Seibon Carbon components are carefully hand crafted using only the finest materials. Their production team offers superior craftsmanship with over 20 years of experience working with carbon fiber. Every component is constructed with a consistent weave pattern. Seibon's production processes allows exceptional carbon resin ratio, creating high product stiffness that also leads to