i do offer my piece of advice: just remove the back two and throw on an exhaust -- i don't know what state you live in, but if you do smog tests you will fail, with my setup (just removed the back 2 and a flowmaster exhaust). here area a few clips.
car at startup about 5 feet behind car:
http://www.okiculater.com/uploader/f...071306_003.3gp
this one is me going from a 5 mph roll to 110 or so, device being held on console:
http://www.okiculater.com/uploader/f...071306_009.3gp
and here's another.
this is a launch and run to 75 or so:
http://www.okiculater.com/uploader/f...071306_007.3gp