will it fit?

[YFZ450Ridr]

i have an 03 z with a uni filter and need an outerwears prefilter.

will this one fit, says it fits the k&n filters but arent they the same size as stock? help appreciated

http://www.dreyercycle.com/eshopprod_cat_1475-10280-10282_product_141182_keyword_outerwears.OUTERWEARS _PRE-FILTERS_FOR_SUZ.htm

[RidrKFX]

the k&n are usaully a little larger than stock