F8X M3 M4 Carbon air ducts - ABS Auto Body YMM_2015_2019_Bmw_3_Series_VI_LCI_F30_F31_F34 this diffuser is designed to

this diffuser is designed to seamlessly integrate with your vehicle’s existing rear bumper

OEM-style carbon fiber diffuser

handcrafted finish

and F32 4-series models

The adjustable damping allows you to tailor the driving experience from comfortable street manners to aggressive track responsiveness

F8X M3 M4 Carbon air ducts - ABS Auto Body YMM_2015_2019_Bmw_3_Series_VI_LCI_F30_F31_F34 this diffuser is designed toABS Auto Body F8X M3 M4 Carbon Air Ducts Fitment Summary Part #: Overview Enhance the aerodynamic efficiency and aggressive styling of your F8X M3 or M4 with these high quality carbon fiber air ducts. Designed for enthusiasts who seek both form and function, these ducts help improve airflow to critical engine components while adding a sleek, race inspired look to your vehicle. Crafted from durable carbon fiber weave, they offer a lightweight yet