The flaps that Tone mentions - from Pep Boys - are the best I aftermarket flaps I have seen for the VX ....... yet.
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Former VX owner 'Jumpnugly' had Pep Boys flaps installed - check the gallery for potential shots of these flaps.
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A search on 'mud' ..... 'flaps' ...... or 'Pep Boys' ........ should bring up a thread or two on the Pep Boys flaps ..... one thread may have the part number for the flaps that fit the VX well. I believe I jotted down the part numbers and posted them.