- BMW M4 Cabriolet (G83) (2021+) 4 Series

With a GRAIL you get what you have always been looking for

making installation quick and easy

- M-style design

MHC+ BMW M3/M4 Twin Fin Ducts In Pre Preg Carbon Fibre (G80/G81/G82/G83) Supra - BMW M4 Cabriolet (G83)MHC+ BMW G80 M3 G82 M4 Twin Fin Ducts In Pre Preg Carbon Fibre have been designed to transform the G80 M3 & G82 G83 M4's front end, especially when combined with the MHC+ SP1 Front Splitter In Pre Preg Carbon Fibre. The aggressive twin fin design matches up with the SP1's duct lines for the ultimate G8X front end transformation. Whilst the MHC+ twin fin ducts work great with the SP1 splitter, they are also great as a stand alone front end upgrade for