benefit from headers?

[silverz28camaro]

stock 00 z with lid and magnaflow, 2.73 auto

runs a 13.08 what have you all been getting for gains im hopeing for .2 sec?

[PEWTER Z]

Headers are a great mod. They were good for about .3 for me after a tune.

[INMY01TA]

Headers are good, but a stall would yield better gains.