(http://img406.imageshack.us/img406/5853/samp672i.png)
(http://img844.imageshack.us/img844/7081/samp673x.png)
This mod, the one in the pictures:
http://www.gtainside.com/en/download.php?do=download&id=16215 (http://www.gtainside.com/en/download.php?do=download&id=16215)
Note: This mod does spark a bit when going up hills or sidewalks.
Or heres another nice one on this page:
http://www.gtainside.com/en/download.php?do=cat&id=246&start=147&orderBy= (http://www.gtainside.com/en/download.php?do=cat&id=246&start=147&orderBy=)