I dont know if anyones made headers yet, but Magnaflow has made a catback you can read about.

http://64.177.72.121/forums/showthread.php?t=7691

And if headers are anything like they are front a 99+, you probably dont want them.

Your not going to pick up the same power you would from a 99-04 simply because they changed the exhaust diameter from 2.25" to 2.5". The real power gains come from the mid pipe