no, the 99 intake is an EGR-less ls1 intake. its worthless over yours. the 03 should be an ls6 intake. check the part numbers under the intake to be sure.
otherwise, nothing worth while on that vette that you dont have already.
__________________
1999 Pontiac Trans Am
Originally Posted by 1Bad00SS
What makes you think you could of keep up with me. Have you ever had that car on a dyno?