[QUOTE="flashgorman"] I'm pretty sure they should have grills on the front : In fact here's one with some but then again wibble flip. [URL]http://www.daidegas.it/Kawasaki/ZX%207R/rjm.de.ruijter@hccnet.nl%20%20Rory/Front%20ZX7RRrory.jpg[/URL] [/QUOTE] In fact thinking about it, even if there were a filter at the other end you would still get the pipes wedged full of crap so a front filter would be best.