high flow replacement air filter for the o.e air box

[adam 006]

Hi i am looking for a high flow air filter to replace the standard type in the o.e air box on my williams.Any make new or used.
Even better for me would be a swop it for the 57i k&n that was on there

thanks for looking

[adam 006]

:D

[Matt_16v]

got k and N panel filter. pm offers

[adam 006]

bump :D