just purchased a used pair of carbon air tubes for the SP3 and looking for the best air filter now the originals cannot be used Any ideas or which types are the best Thanks Steve
https://www.ebay.co.uk/itm/BMC-Air-...el:916&hash=item467a1a5ebe:g:AEcAAOSwx9Zax8n- You can find these cheaper but this is an example.
As above or a Pipercross one. https://www.ebay.co.uk/itm/Pipercro...170875&hash=item23d352e3b3:g:52kAAOSw7ohecgWM