Alpha N Carbon Rear Diffuser V1 - BMW G90 | G99 M5 Plenum and it is ducting from

and it is ducting from the front part of the car

To be installed as a kit with 985906 or Rear exhaust "Racing"

with precise independent adjustment of low speed and high speed compression

Additional 120 hp on a stock vehicle

250 mm x 165 mm x 40 mm / 9

Alpha N Carbon Rear Diffuser V1 - BMW G90 | G99 M5 Plenum and it is ducting fromAvailable in 2 different versions, Alpha N's V1 carbon rear diffuser for the G90 M5 or G99 M5 Touring expands slightly on the original rear diffuser helping to accentuate the existing bodylines and enhances the rear styling with carbon construction. While Alpha N ensures all their aerodynamic parts are fully functional, the G9X M5 V1 rear diffuser focuses on function while maintaining the car's elegance. Product Details: 2x2 weave; carbon pre preg