i know there were some issues with the spectre cone filter on tj's, some were getting smashed when closing the filter tube and not sealing completely
not 100%, but it looks like you have enough space under the hood of an xj to do a windstar cowl intake. i have $35 invested in mine and that included a new filter
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Yours is almost like mine. Except an airbox from a 4.0 Explorer.
I built mine after finding a flooded stock airbox for the 3rd time.



