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Evo 9 Notes:
or Carrera GTS with the upgraded turbos from Pure Turbos
Each kit also includes our unique two-piece splitter design that replaces the factory engine cover with a splitter design that's made to fit the larger core of the GrimmSpeed TMIC
Dyno testing also yielded results of up to 70 whp with a tune and 2015 WRX intake with 93 octane fuel while maintaining safe AFRs
Vorsteiner BMW G8X M4 Carbon Fiber Aero Rear Diffuser (BMV3351) Bosch Evo 9 Notes:Enhance aerodynamics on your G82 BMW M4 with Vorsteiner's carbon fiber rear diffuser. Create efficient downforce with low drag, while adding an aggressive look. Crafted with precision, it seamlessly integrates with the vehicle's design, to maxamize both style and performance. Vehicle Fitment: 2021+ BMW M4 (G82) 2021+ BMW M4 Convertible (G83) (S58 3. 0L Twin Turbo Engine) Features: Vehicle specific design allows this carbon fiber rear diffuser to match