well i got cpi twin pipes, the guy at cpi said to go with 4 sizes larger than stock jets. i know my stock jets are 500's. the problem is this check out link http://www.snowtechmagazine.com/articles/2...use/dontuse.php (http://www.snowtechmagazine.com/articles/2001/dontuse/dontuse.php). what do you think