OK the noise is definitely coming from the pasenger side rear of he car. Either under the seat or trunk, it's hard to tell which, but definitely on the passenger side, any new ideas???

99 CSVT Green/Tan # 84 of 2760 Built on Wednesday, September 30, 1998 15.376 @ 92.00 MPH Stock 75,000Km 96 Contour GL 2.5L V6 ATX 170,000Km