Stage 4 Tuning
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RSI c6Handcrafted in Italy

Diffuser in Prepreg Carbon Fiber - BMW M5 G90/G99

$1,976.00Rear Diffuser
M5 (G90/G99)
Trasparent paint
Material certification for TÜV

Direct Stage 4 Tuning × RSI c6 partnership

Made to order in Italy

Each part is produced to order by RSI c6 in Italy; typical lead time 4–8 weeks.

The piece

Details & finish.

BMWRear DiffuserRSI c6 · Italy

Upgrade your BMW M5 G90/G99 with the RSI c6 dry carbon rear diffuser.

Crafted from premium prepreg carbon fiber, it offers unmatched strength, lightweight performance, and a sleek, aggressive look. Perfect for enhancing aerodynamics and style, this diffuser is the ultimate choice for luxury and performance enthusiasts.

Each piece is made to order. Finish, weave, and configuration are confirmed before production begins; typical lead time is 4–8 weeks.
Continue the build

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