97 T/A exhaust

:D Check this out...
Good deal or not ! ?
The guy down the street has a 94 z28 or a t/a. im not sure.
But n e way he wants to sell me his full exhaust system.
BBk shorties + y-pipe w/ a 3 in. pipe w/ flows. no cats!!
for $400
oh yea all of the pipes have also been coated too he works at some place that does that shit!!
sound cool or what????
if i get that system then all i need is 2 O2 sems.
can n e one tell me how much hp i might be adding w/ all that?
thanks

and also im selling my wheels and tires
my friends going to sell me his 18's!!!
my chrome 16's i just got 3 weeks ago they are new still have the receipt ( the 5 star t/a look )
comes with 2 new potenzas on back ( 1 k miles on them )
and the front potenzas have good tread also!
make an offer if u want the wheels!