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Carbon Fiber OEM Rear Diffuser
Carbon fiber rear diffuser for the McLaren 650S (2014+) and MP4-12C (2011+), built as a direct OEM-fit replacement that bolts in at the factory location with no cutting or modification required. It's finished to the same fitment and quality standard as the rest of Fabspeed's carbon range for these two models. Since it's a straight swap rather than an exchange part, there's no core charge, so your original diffuser stays with you.
Frequently asked
Which cars does the Carbon Fiber OEM Rear Diffuser fit?
Fits your McLaren 650S (2014-2017). Fabspeed lists this piece for: McLaren 650S 2014+; MP4-12C 2011+. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Carbon pieces are made to order at Fabspeed USA, and the standard one-week lead time doesn't apply: the lay-up and curing process means build times vary a lot with part complexity. That's exactly why these are consult-only — we confirm the current build time with Fabspeed and give you a real date on your free consult before anything is ordered. Delivery to Australia then adds 3-4 days via UPS, included in the price.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
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