The trunk vents are probably your problem.I just pulled mine & resealed the rubber around them both even though only the pass side was leaking. A picture is worth a thousand words........
I don't "mod" I just fix what breaks!
98 CSVT #2527 T-Red (Limping)
98 CSVT #2228 T-Red (Donor)
98 SE Sport ATX V6 (Running again)
If swimming is good for your figure, explain whales to me!