Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser
Universal Rear Diffuser

Universal Rear Diffuser

Shipping Calculated at Checkout*

Made to order, please allow lead time of 6-8 weeks from purchase. 

The Sydney Composites Universal Diffuser range is engineered for optimal rear downforce and underfloor air extraction, making it a top choice for competitive motorsports.

Performance Data (Standard Diffuser on Clubsprint Car):

  • +80kg downforce at 180km/h
  • +150kg downforce at 250km/h
  • Large diffuser performance varies based on floor layout

Additional Options & Services:

  • Optional rebate for flat floor mounting
  • Custom width modifications for NSW Sports Sedans available
  • Additional mounting hardware sold separately, click here 
  • Installation service available, click here

Pair with the Sydney Composites Universal Splitter and Rear Wing for enhanced downforce.

Dimensions & Specs

- CFD-designed for high-performance aerodynamics
- Sizes: Standard (950mm x 1520mm x 250mm) & Large (1170mm x 1520mm x 250mm) – both trim-to-fit
- Material: Lightweight composite construction (approx. 4.2kg - 5.1kg)
- Mounting: 8x built-in M6 studs, 4x precision-cut mounting plates included
- Finish: Gloss mould finish (UV stable clear coat available at extra cost)
Material

Carbon Fibre:
Our diffusers are made from carbon fibre twill for the lightest, most aerodynamic surface finish possible.
Store pick up Available
This product is not permitted for road use. Off road and track use only.

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