Thats nice HP, especially for no major mods. You can see where headers would come in handy in the TQ department, as most SVTs with headers are in the ~155 range.
Your numbers will be stellar if you ever get MSDS and a bit 'o tuning.
#4559 of 6535 born on Feb 17, 1998
Black 1998.5 CSVTFOR SALE [cleaning house]: SVT rear swaybar. Reasonable offer and its yours!