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Since it gets harder and harder to find a JCW airboxfor reasonable money, I decided to have a go at a homemade version built on a standard airbox.
So pulled out the CAD drawing tool of preference (Shapr3d) - and drew up two parts. An adapter for the original JCW airfilter, and a “funnel” like to original JCW.
The lid of the original airbox got attacked by a dremel - and the new “funnel” could be pressed into place. The filteradapter is 30 degree and is just pressed into the original inlet on the lid.
…Next step - get a new airfilter and draw up a lock for it, just like on the original JCW, and testfil it all.
The 3d printet parts are still prototypes, so printed in the PLA that was in the printer - will be printed in either black ASA or PETG when printing the final versions.