The 02 will come stock, with more HP and torque then the 98. However, you can come close to it by adding the LS6 intake manifold to it on your own.
01 and up had other engine changes to them from GM, to make my HP over the years and the intake was one of the GM changes.
Your 98's suspension can also be upgraded to Z06 if you wanted or Z51, easily.
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1998 Six Speed, Torch Red Coupe - K&N CAI, Vararam Velocity Stack, Z06 exhaust, Z06 sway bars, Z06 intake, C6 Z06 shifter, stainless steel brake lines, Z06 shocks, Borla X pipe, drilled/slotted rotors. Dyno'ed at 330 RWHP & 340 RWTQ.