Originally Posted by CooperMan
This is my solution on the Roadster, although the cold air ram pipe is a little undersized due to space above the engine, it collects from a nice big flared inlet so when on the move the flow is good, immediately after testing the fan hardly ever cut in

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Cowl scoop
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The airbox is lined with heat reflective foil as potentially a black plastic box will soak up engine bay heat & bleed this into the incoming air
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I didn't seal off the bottom of the airbox as Richard did, but it's on the winter list, as is a bigger side louvre scoop as per the original S1 Roadsters

That looks neat and well thought out Jon. But I can’t believe you Roadster folk still want more….


Roger
2011 Plus 4