Headers or LS6 Intake?
FRA, EGR mod, Lid, hurst shifter w/shortstick
http://www.community.webshots.com/user/jr3334z28
You will see a very minimal gain with the ls6 intake, but with the headers there will be around a 20hp gain, give or take a little. Also the ls6 intake will give you more hp after you have headers so get it second.

